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663 Results Found

  • Case Report
  • Open Access
4 Citations
3,611 Views
11 Pages

Endoscopic Vacuum-Assisted Closure (E-VAC) in Septic Shock from Perforated Duodenal Ulcers with Abscess Formations

  • Bogdan Mihnea Ciuntu,
  • Adelina Tanevski,
  • David Ovidiu Buescu,
  • Valerii Lutenco and ,
  • Raul Mihailov,
  • Madalina Stefana Ciuntu,
  • Mihai Marius Zuzu,
  • Dan Vintila,
  • Mihai Zabara and
  • Cristian Dumitru Lupascu
  • + 9 authors+ 4 authors

15 January 2024

This case report underscores the importance of utilizing E-VAC (endoscopic vacuum-assisted closure) in the treatment of a perforated duodenal ulcer complicated by the formation of a subphrenic abscess and septic shock. It showcases how E-VAC can effe...

(This article belongs to the Section General Surgery)
  • Article
  • Open Access
13 Citations
3,955 Views
8 Pages

One-Stage Coverage of Leg Region Defects with STSG Combined with VAC Dressing Improves Early Patient Mobilisation and Graft Take: A Comparative Study

  • Gianluca Sapino,
  • Loise Lanz,
  • Aurore Roesti,
  • David Guillier and ,
  • Sebastien Deglise,
  • Giorgio De Santis,
  • Wassim Raffoul and
  • Pietro di Summa
  • + 3 authors+ 0 author

9 June 2022

Lower limb skin defects are very common and can result from a wide range of aetiologies. Split thickness skin graft (STSG) is a widely used method to address these problems. The role of postoperative dressing is primary as it permits one to apply a u...

(This article belongs to the Special Issue Chronic Wounds or Hard to Heal Ulcers: Updating Epidemiology, Physiopathology, and Therapies)
  • Article
  • Open Access
3 Citations
6,839 Views
16 Pages

Dissection of Antibody Responses of Gam-COVID-Vac-Vaccinated Subjects Suggests Involvement of Epitopes Outside RBD in SARS-CoV-2 Neutralization

  • Maria Byazrova,
  • Pia Gattinger,
  • Ekaterina Astakhova,
  • Gerhard Hofer and ,
  • Musa Khaitov,
  • Alexander Filatov and
  • Rudolf Valenta
  • + 2 authors+ 0 author

Millions of people have been vaccinated with Gam-COVID-Vac but fine specificities of induced antibodies have not been fully studied. Plasma from 12 naïve and 10 coronavirus disease 2019 (COVID-19) convalescent subjects was obtained before and af...

(This article belongs to the Special Issue Molecular Mechanisms of Pathogenesis, Prevention, and Therapy of COVID-19: Summarizing the Results of 2022)
  • Article
  • Open Access
3 Citations
2,656 Views
10 Pages

1 September 2023

COVID-19 and other infectious diseases can exacerbate the course of paroxysmal nocturnal hemoglobinuria (PNH). The efficacy and safety of the Gam-COVID-Vac vaccine in patients with PNH has not been adequately studied. A retrospective, observational,...

  • Article
  • Open Access
18 Citations
5,237 Views
16 Pages

Functional Profiling of In Vitro Reactivated Memory B Cells Following Natural SARS-CoV-2 Infection and Gam-COVID-Vac Vaccination

  • Ekaterina A. Astakhova,
  • Maria G. Byazrova,
  • Gaukhar M. Yusubalieva,
  • Sergey V. Kulemzin and ,
  • Natalia A. Kruglova,
  • Alexey G. Prilipov,
  • Vladimir P. Baklaushev,
  • Andrey A. Gorchakov,
  • Alexander V. Taranin and
  • Alexander V. Filatov
  • + 5 authors+ 0 author

21 June 2022

Both SARS-CoV-2 infection and vaccination have previously been demonstrated to elicit robust, yet somewhat limited immunity against the evolving variants of SARS-CoV-2. Nevertheless, reports performing side-by-side comparison of immune responses foll...

  • Brief Report
  • Open Access
1,783 Views
22 Pages

8 October 2025

Background: Health literacy (HL) is a key determinant of health outcomes and equity. The European Health Literacy Survey 2019 (HLS19) introduced three domain-specific instruments—HLS19-NAV, HLS19-COM-P-Q11, and HLS19-VAC. We present the transla...

  • Article
  • Open Access
3,078 Views
20 Pages

T-Cell Immunity in COVID-19-Recovered Individuals and Individuals Vaccinated with the Combined Vector Vaccine Gam-COVID-Vac

  • Sergey Petrovich Krechetov,
  • Valentina Valentinovna Vtorushina,
  • Evgenia Vladimirovna Inviyaeva,
  • Elena Aleksandrovna Gorodnova and ,
  • Svetlana Vladimirovna Kolesnik,
  • Dmitry Anatolievich Kudlay,
  • Pavel Igorevich Borovikov,
  • Liubov Valentinovna Krechetova,
  • Nataliya Vitalievna Dolgushina and
  • Gennady Tikhonovich Sukhikh
  • + 5 authors+ 0 author

18 January 2023

The COVID-19 pandemic has required extensive research on the new coronavirus SARS-CoV-2 and the creation of new highly effective vaccines. The presence of T-cells in the body that respond to virus antigens suggests adequate antiviral immunity. We inv...

(This article belongs to the Special Issue Molecular Advances in SARS-CoV-2 Transmission, Infection and Pathology 2.0)
  • Article
  • Open Access
6 Citations
3,340 Views
21 Pages

26 December 2022

Many available SARS-CoV-2 vaccines demonstrated good humoral response, but studies directly comparing their immunogenicity in the general population are lacking. We evaluated the medium–term kinetics of anti-S SARS-CoV-2 antibodies (Abs) at one...

(This article belongs to the Special Issue Effectiveness, Safety and Immunogenicity of SARS-CoV-2 Vaccines)
  • Review
  • Open Access
23 Citations
4,873 Views
19 Pages

VAC-Stent in the Treatment of Post-Esophagectomy Anastomotic Leaks: A New “Kid on the Block” Who Marries the Best of Old Techniques—A Review

  • Giuseppe Dell’Anna,
  • Lorella Fanti,
  • Jacopo Fanizza,
  • Rukaia Barà and ,
  • Alberto Barchi,
  • Ernesto Fasulo,
  • Ugo Elmore,
  • Riccardo Rosati,
  • Vito Annese and
  • Francesco Vito Mandarino
  • + 9 authors+ 4 authors

28 June 2024

Esophagectomy, while a pivotal treatment for esophageal cancer, is not without adverse events. Among these, anastomotic leak (AL) is the most feared complication, threatening patient lives and incurring significant healthcare costs. The management of...

(This article belongs to the Section Gastroenterology & Hepatopancreatobiliary Medicine)
  • Review
  • Open Access
28 Citations
10,027 Views
10 Pages

18 June 2016

Vacuolating cytotoxin A (VacA) is a secreted pore-forming toxin and one of the major virulence factors of Helicobacter pylori (H. pylori), which actively supports the persistence and survival of the bacteria in the special ecological niche of the hum...

(This article belongs to the Special Issue Vacuolating Toxin)
  • Feature Paper
  • Review
  • Open Access
15 Citations
5,663 Views
7 Pages

Use of VacA as a Vaccine Antigen

  • Mati Moyat and
  • Dominique Velin

8 June 2016

One of the major toxins secreted by H. pylori is the Vacuolating cytotoxin A (VacA) named after its ability to induce the formation of “vacuole”-like membrane vesicles in the cytoplasm of gastric cells. VacA has been associated with the disruption of...

(This article belongs to the Special Issue Vacuolating Toxin)
  • Feature Paper
  • Review
  • Open Access
42 Citations
9,050 Views
10 Pages

Relationship between vacA Types and Development of Gastroduodenal Diseases

  • Tran Thi Huyen Trang,
  • Tran Thanh Binh and
  • Yoshio Yamaoka

9 June 2016

The Helicobacter pylori vacuolating cytotoxin (VacA) is a secreted pore-forming toxin and a major virulence factor in the pathogenesis of H. pylori infection. While VacA is present in almost all strains, only some forms are toxigenic and pathogenic....

(This article belongs to the Special Issue Vacuolating Toxin)
  • Article
  • Open Access
7 Citations
3,518 Views
21 Pages

Allelic Variation of Helicobacter pylori vacA Gene and Its Association with Gastric Pathologies in Clinical Samples Collected in Jordan

  • Mamoon M. Al-Hyassat,
  • Hala I. Al-Daghistani,
  • Lubna F. Abu-Niaaj,
  • Sima Zein and
  • Talal Al-Qaisi

Helicobacter pylori is a well-established causative agent of gastritis, peptic ulcers, gastric adenocarcinoma, and primary gastric lymphoma. It colonizes the human stomach and expresses numerous virulent factors that influence disease progression. Am...

(This article belongs to the Special Issue Helicobacter pylori Infection: Detection and Novel Treatment)
  • Article
  • Open Access
4 Citations
2,675 Views
13 Pages

Immunogenicity of Mix-and-Match CoronaVac/BNT162b2 Regimen versus Homologous CoronaVac/CoronaVac Vaccination: A Single-Blinded, Randomized, Parallel Group Superiority Trial

  • Samar Samoud,
  • Jihene Bettaieb,
  • Mariem Gdoura,
  • Ghassen Kharroubi and ,
  • Feriel Ben Ghachem,
  • Imen Zamali,
  • Ahlem Ben Hmid,
  • Sadok Salem,
  • Ahmed Adel Gereisha and
  • Melika Ben Ahmed
  • + 17 authors+ 12 authors

5 August 2023

(1) Background: This study aimed to compare the immunogenicity of the mix-and-match CoronaVac/BNT162b2 vaccination to the homologous CoronaVac/CoronaVac regimen. (2) Methods: We conducted a simple-blinded randomized superiority trial to measure SARS-...

(This article belongs to the Section COVID-19 Vaccines and Vaccination)
  • Review
  • Open Access
212 Views
16 Pages

When VacA Meets Immune Cells: Beyond Vacuolation

  • Yi Teng,
  • Hewei Luan,
  • Dongwei Zhu and
  • Shengjun Wang

24 October 2026

Vacuolating cytotoxin A (VacA) is a critical virulence factor of Helicobacter pylori and is closely associated with chronic gastric diseases and gastric cancer. This review systematically summarizes the gene polymorphism, protein structure, functiona...

  • Review
  • Open Access
16 Citations
9,762 Views
12 Pages

New Insights into VacA Intoxication Mediated through Its Cell Surface Receptors

  • Kinnosuke Yahiro,
  • Toshiya Hirayama,
  • Joel Moss and
  • Masatoshi Noda

13 May 2016

Helicobacter pylori (H. pylori), a major cause of gastroduodenal diseases, produces VacA, a vacuolating cytotoxin associated with gastric inflammation and ulceration. The C-terminal domain of VacA plays a crucial role in receptor recognition on targe...

(This article belongs to the Special Issue Vacuolating Toxin)
  • Article
  • Open Access
5,095 Views
18 Pages

9 August 2023

Our study explores the question: what kind of landscape situations emerge between the urban fabric and a school building as a result of 21st-century suburbanisation? To answer this question, we will compare a traditional school town and a suburban se...

(This article belongs to the Special Issue Urban and Rural Land Use, Landscape and Sustainability)
  • Article
  • Open Access
3 Citations
3,077 Views
14 Pages

5 September 2023

Background: The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic has outpaced vaccine availability and delivery from vaccine manufacturers, and thus, a scarcity of vaccines happened to many countries around the world. In Thailand...

(This article belongs to the Special Issue Real Life Experience of the COVID-19 Vaccine: What Do You Need to Know?)
  • Article
  • Open Access
4 Citations
6,697 Views
10 Pages

31 October 2011

Sequence diversity and population structures can vary widely among pathogenic bacteria species. In some species, all isolates are highly similar, whereas in others most of the isolates are distinguished easily. H. pylori is known for its wide genetic...

(This article belongs to the Section Molecular Pathology, Diagnostics, and Therapeutics)
  • Article
  • Open Access
1 Citations
3,092 Views
7 Pages

Immunogenicity and Reactogenicity of CoronaVac: A Cohort Study

  • Sri Masyeni,
  • Edison Johar,
  • Anak Agung Gede Budhitresna,
  • Nyoman Mahardika and ,
  • Nyoman Ratna Kartika Dewi,
  • I Gde Raka Widiana,
  • Frilasita Aisyah Yudhaputri and
  • Khin Saw Aye Myint
  • + 3 authors+ 0 author

6 April 2022

The ongoing COVID-19 pandemic remained a major public health concern despite a large-scale deployment of vaccines. One of the vaccines is CoronaVac, an inactivated vaccine. The efficacy of the vaccine was estimated at 50.7–83.5% in clinical tri...

  • Case Report
  • Open Access
3 Citations
1 Views
3 Pages

Vac® for External Fixation of Flail Chest

  • Rikke Winge,
  • Jais O. Berg,
  • Rikke Albret and
  • Christen Krag

A large anterior chest wall defect following tumor resection was reconstructed with a Gore- Tex® membrane and a combined musculocutaneous rectus femoris and tensor fasciae latae free flap. Subsequent paradoxical respiration impeded weaning from the v...

  • Article
  • Open Access
19 Citations
7,110 Views
10 Pages

Helicobacter pylori vacA Genotypes in Chronic Gastritis and Gastric Carcinoma Patients from Macau, China

  • Ines Pinto-Ribeiro,
  • Rui M. Ferreira,
  • Sellma Batalha,
  • Thazin Hlaing and ,
  • Sio In Wong,
  • Fatima Carneiro and
  • Ceu Figueiredo
  • + 2 authors+ 0 author

5 May 2016

Helicobacter pylori is the major triggering factor for gastric carcinoma, but only a small proportion of infected patients develop this disease. Differences in virulence observed among H. pylori strains, namely in the vacuolating cytotoxin vacA gene,...

(This article belongs to the Special Issue Vacuolating Toxin)
  • Article
  • Open Access
37 Citations
15,623 Views
24 Pages

15 January 2010

By modulating important properties of eukaryotic cells, many bacterial protein toxins highjack host signalling pathways to create a suitable niche for the pathogen to colonize and persist. Helicobacter pylori VacA is paradigm of pore-forming toxins w...

(This article belongs to the Special Issue Bacterial Protein Toxins)
  • Article
  • Open Access
13 Citations
8,007 Views
18 Pages

Vac8 Controls Vacuolar Membrane Dynamics during Different Autophagy Pathways in Saccharomyces cerevisiae

  • Fahd Boutouja,
  • Christian M. Stiehm,
  • Christina Reidick,
  • Thomas Mastalski and ,
  • Rebecca Brinkmeier,
  • Fouzi El Magraoui and
  • Harald W. Platta
  • + 2 authors+ 0 author

30 June 2019

The yeast vacuole is a vital organelle, which is required for the degradation of aberrant intracellular or extracellular substrates and the recycling of the resulting nutrients as newly available building blocks for the cellular metabolism. Like the...

(This article belongs to the Section Autophagy)
  • Review
  • Open Access
6 Citations
4,755 Views
17 Pages

The Impact of EndoVAC in Addressing Post-Esophagectomy Anastomotic Leak in Esophageal Cancer Management

  • Stavros P. Papadakos,
  • Alexandra Argyrou,
  • Ioannis Katsaros,
  • Vasileios Lekakis and ,
  • Georgia Mpouga,
  • Chrysovalantis Vergadis,
  • Paraskevi Fytili,
  • Andreas Koutsoumpas and
  • Dimitrios Schizas
  • + 4 authors+ 0 author

25 November 2024

Anastomotic leakage (AL) remains a major complication after esophagectomy, especially in patients with esophagogastric cancers who have undergone neoadjuvant therapies, which can impair tissue healing. Endoscopic vacuum-assisted closure (EndoVAC) is...

(This article belongs to the Special Issue Preventive, Diagnostic and Therapeutic Strategies for Abdominal Surgery Complications (Second Edition))
  • Article
  • Open Access
1 Citations
2,875 Views
17 Pages

Booster Vaccination with BNT162b2 Improves Cellular and Humoral Immune Response in the Pediatric Population Immunized with CoronaVac

  • Diego A. Díaz-Dinamarca,
  • Simone Cárdenas-Cáceres,
  • Nicolás A. Muena,
  • Pablo Díaz and ,
  • Gisselle Barra,
  • Rodrigo Puentes,
  • Daniel F. Escobar,
  • Michal Díaz-Samirin,
  • Natalia T. Santis-Alay and
  • Abel E. Vasquez
  • + 11 authors+ 6 authors

15 August 2024

The SARS-CoV-2 Omicron variant and its sublineages continue to cause COVID-19-associated pediatric hospitalizations, severe disease, and death globally. BNT162b2 and CoronaVac are the main vaccines used in Chile. Much less is known about the Wuhan-Hu...

(This article belongs to the Special Issue Humoral and Cellular Response after COVID-19 Vaccination)
  • Review
  • Open Access
20 Citations
7,223 Views
31 Pages

28 December 2023

The Gram-negative bacterium Helicobacter pylori is a very successful pathogen, one of the most commonly identified causes of bacterial infections in humans worldwide. H. pylori produces several virulence factors that contribute to its persistence in...

(This article belongs to the Special Issue Advanced Research on Structure-Function Relationships of Membrane Proteins, 2nd Edition)
  • Communication
  • Open Access
1 Citations
2,300 Views
10 Pages

Humoral Immune Response to CoronaVac in Turkish Adults

  • Yasemin Cosgun,
  • Nergis Emanet,
  • Ayten Öz Kamiloglu,
  • Evelin Grage-Griebenow and ,
  • Susann Hohensee,
  • Sandra Saschenbrecker,
  • Katja Steinhagen and
  • Gulay Korukluoglu
  • + 3 authors+ 0 author

18 January 2023

While most approved vaccines are based on the viral spike protein or its immunogenic regions, inactivated whole-virion vaccines (e.g., CoronaVac) contain additional antigens that may enhance protection. This study analyzes short-term humoral response...

(This article belongs to the Special Issue Research in Vaccine Epidemiology: Immunogenicity, Effectiveness, and Safety)
  • Article
  • Open Access
12 Citations
8,123 Views
11 Pages

Helicobacter pylori cagA, vacA, iceA and babA Genotypes from Peruvian Patients with Gastric Intestinal Metaplasia

  • Jesús Guzmán,
  • Denis Castillo,
  • Anabel D. González-Siccha,
  • Alejandro Bussalleu and ,
  • Alba A. Trespalacios-Rangel,
  • Andres G. Lescano and
  • Michel Sauvain
  • + 2 authors+ 0 author

12 April 2024

We explored the clinical-stage association of gastric intestinal metaplasia (IM) compared to cases of chronic non-atrophic gastritis (CNAG) and its relationship with virulence genotypes of Helicobacter pylori (H. pylori) clinical isolates from patien...

(This article belongs to the Section Clinical Research in Cancer)
  • Article
  • Open Access
4 Citations
6,481 Views
11 Pages

Gam-COVID-Vac (Sputnik V) and Pfizer-BioNTech Vaccines Adverse Events following Immunization in Patients Affected by Parkinson’s Disease and Multiple Sclerosis: A Longitudinal Study

  • Giorgia Soldà,
  • Edoardo Barvas,
  • Jacopo Lenzi,
  • Zeno Di Valerio and ,
  • Giusy La Fauci,
  • Susanna Guttmann,
  • Rossano Riccardi,
  • Maria Pia Fantini,
  • Aurelia Salussolia and
  • Davide Gori
  • + 6 authors+ 1 author

26 February 2022

The Republic of San Marino COVID-19 vaccination campaign used Gam-COVID-Vac and Pfizer-BioNTech vaccines. To assess adverse events following immunization (AEFIs), approximately 6000 vaccine recipients were monitored by the ROCCA study, including subg...

(This article belongs to the Special Issue Feature Papers of Epidemiology and Vaccines)
  • Feature Paper
  • Review
  • Open Access
55 Citations
8,774 Views
15 Pages

1 July 2016

Helicobacter pylori is a Gram-negative bacterium that colonizes the stomach of about half the global population and represents the greatest risk factor for gastric malignancy. The relevance of H. pylori for gastric cancer development is equivalent to...

(This article belongs to the Special Issue Vacuolating Toxin)
  • Article
  • Open Access
4 Citations
3,063 Views
13 Pages

The Predictive Value of Gut Microbiota Composition for Sustained Immunogenicity following Two Doses of CoronaVac

  • Ho-Yu Ng,
  • Yunshi Liao,
  • Ruiqi Zhang,
  • Kwok-Hung Chan and ,
  • Wai-Pan To,
  • Chun-Him Hui,
  • Wai-Kay Seto,
  • Wai K. Leung,
  • Ivan F. N. Hung and
  • Ka-Shing Cheung
  • + 6 authors+ 1 author

23 February 2024

CoronaVac immunogenicity decreases with time, and we aimed to investigate whether gut microbiota associate with longer-term immunogenicity of CoronaVac. This was a prospective cohort study recruiting two-dose CoronaVac recipients from three centres i...

(This article belongs to the Special Issue New Insights into Gut Microbiota and Immunity)
  • Article
  • Open Access
16 Citations
3,763 Views
14 Pages

Oxidative Products of Curcumin Rather Than Curcumin Bind to Helicobacter Pylori Virulence Factor VacA and Are Required to Inhibit Its Vacuolation Activity

  • Maya Chaturvedi,
  • Mohit Mishra,
  • Achyut Pandey,
  • Jyoti Gupta and ,
  • Jyoti Pandey,
  • Shilpi Gupta,
  • Md. Zubbair Malik,
  • Pallavi Somvanshi and
  • Rupesh Chaturvedi
  • + 4 authors+ 0 author

9 October 2022

Curcumin is a hydrophobic polyphenol derived from turmeric with potent anti-oxidant, anti-microbial, anti-inflammatory and anti-carcinogenic effects. Curcumin is degraded into various derivatives under in vitro and in vivo conditions, and it appears...

(This article belongs to the Special Issue New Promising Therapeutic Applications of Curcumin: Outcome and Pathways)
  • Review
  • Open Access
4 Citations
2,955 Views
10 Pages

VacStent as an Innovative Approach in the Treatment of Anastomotic Insufficiencies and Leakages in the Gastrointestinal Tract—Review and Outlook

  • Alexander Yohannes,
  • Judith Knievel,
  • Jonas Lange,
  • Arno J. Dormann and ,
  • Ulrich Hügle,
  • Claus F. Eisenberger and
  • Markus M. Heiss
  • + 2 authors+ 0 author

27 June 2024

Anastomotic insufficiencies are severe complications of abdominal surgery, often leading to prolonged hospitalization, serious tissue inflammation, and even sepsis, along with the need for recurrent surgery. Current non-surgical treatments such as se...

(This article belongs to the Section Medical Research)
  • Article
  • Open Access
11 Citations
4,952 Views
20 Pages

21 December 2021

Cortactin is an actin-binding protein and actin-nucleation promoting factor regulating cytoskeletal rearrangements in eukaryotes. Helicobacter pylori is a gastric pathogen that exploits cortactin to its own benefit. During infection of gastric epithe...

(This article belongs to the Section Bacterial Pathogens)
  • Article
  • Open Access
104 Citations
9,812 Views
13 Pages

Prevalence and Risk Factors of CoronaVac Side Effects: An Independent Cross-Sectional Study among Healthcare Workers in Turkey

  • Abanoub Riad,
  • Derya Sağıroğlu,
  • Batuhan Üstün,
  • Andrea Pokorná and ,
  • Jitka Klugarová,
  • Sameh Attia and
  • Miloslav Klugar
  • + 2 authors+ 0 author

15 June 2021

Background: COVID-19 vaccine hesitancy is a serious threat to mass vaccination strategies that need to be accelerated currently in order to achieve a substantial level of community immunity. Independent (non-sponsored) studies have a great potential...

(This article belongs to the Section Infectious Diseases)
  • Article
  • Open Access
8 Citations
4,171 Views
18 Pages

An Integrative Analysis of the Immune Features of Inactivated SARS-CoV-2 Vaccine (CoronaVac)

  • Zhujun Jiang,
  • Haishuang Lin,
  • Haoran Zhang,
  • Ningning Shi and ,
  • Zhetao Zheng,
  • Liangzhen Dong,
  • Yuelin Yang and
  • Qing Xia
  • + 3 authors+ 0 author

Currently, an inactivated vaccine has been widely used with encouraging results as a prophylactic agent against COVID-19 infection, which is caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and its variants. However, in vitro SA...

  • Case Report
  • Open Access
6 Citations
7,674 Views
6 Pages

Intradermal ChAdOx1 Vaccine Following Two CoronaVac Shots: A Case Report

  • Ekachai Singhatiraj,
  • Krit Pongpirul,
  • Anan Jongkaewwattana and
  • Nattiya Hirankarn

4 September 2021

Inactivated SARS-CoV-2 vaccines are used in many countries with uncertain immunogenicity. Intradermal ChAdOx1 has been proposed as a resource-efficient heterologous third booster shot. A 52-year-old healthy male healthcare professional had received t...

(This article belongs to the Collection COVID-19 Vaccine Development and Vaccination)
  • Article
  • Open Access
3 Citations
2,338 Views
12 Pages

Immune Response to CoronaVac and Its Safety in Patients with Type 2 Diabetes Compared with Healthcare Workers

  • Bothamai Dechates,
  • Thachanun Porntharukchareon,
  • Supamas Sirisreetreerux,
  • Phonthip Therawit and ,
  • Supanat Worawitchawong,
  • Gaidganok Sornsamdang,
  • Kamonwan Soonklang and
  • Kriangkrai Tawinprai
  • + 3 authors+ 0 author

17 March 2023

Background: Vaccines for SARS-CoV-2 have been critical for preventing disease. Previous research showed patients with diabetes have impaired immunity. This study aimed to determine the immunity to coronavirus after CoronaVac by comparing patients wit...

(This article belongs to the Special Issue Immune Response after Vaccination against SARS-COV-2 in Patients with Chronic Diseases)
  • Article
  • Open Access
8 Citations
3,350 Views
8 Pages

Neutralizing and Total/IgG Spike Antibody Responses Following Homologous CoronaVac vs. BNT162b2 Vaccination Up to 90 Days Post-Booster

  • Chin Shern Lau,
  • John Thundyil,
  • May Lin Helen Oh,
  • Soon Kieng Phua and ,
  • Ya Li Liang,
  • Yanfeng Li,
  • Jianxin Huo,
  • Yuhan Huang,
  • Biyan Zhang and
  • Tar Choon Aw
  • + 6 authors+ 1 author

8 November 2022

Introduction: We documented the total spike antibody (S-Ab), IgG S-Ab and neutralizing antibody (N-Ab) responses of BNT162b2/CoronaVac vaccinees up to 90 days post-booster dose. Methods: We included 32 homologous regimen CoronaVac vaccinees and 136 B...

(This article belongs to the Special Issue The Role of Antibodies in SARS-CoV-2 Infection)
  • Article
  • Open Access
3 Citations
3,624 Views
17 Pages

Immunogenicity and Safety of SARS-CoV-2 Protein Subunit Recombinant Vaccine (IndoVac®) as a Booster Dose against COVID-19 in Indonesian Adults

  • Kusnandi Rusmil,
  • Eddy Fadlyana,
  • Rodman Tarigan Girsang,
  • Riyadi Adrizain and ,
  • Andri Reza Rahmadi,
  • Hendarsyah Suryadinata,
  • Muhammad Gilang Dwi Putra,
  • Frizka Primadewi Fulendry,
  • Dinda Tiaraningrum Nashsyah and
  • Mita Puspita
  • + 14 authors+ 9 authors

According to the WHO target product profile for COVID-19 vaccines, the vaccine in development should be indicated for active immunisation in all populations. Therefore, PT Bio Farma developed a candidate vaccine in a subunit protein recombinant platf...

(This article belongs to the Special Issue COVID-19 Vaccines and Immune Response)
  • Article
  • Open Access
17 Citations
4,094 Views
13 Pages

IgG Antibody Responses and Immune Persistence of Two Doses of BBIBP-CorV Vaccine or CoronaVac Vaccine in People Living with HIV (PLWH) in Shenzhen, China

  • Guang Zeng,
  • Liumei Xu,
  • Shuidong Feng,
  • Jie Tang and ,
  • Xiaohui Wang,
  • Guilian Li,
  • Yongxia Gan,
  • Chenli Zheng,
  • Jin Zhao and
  • Zhengrong Yang
  • + 5 authors+ 0 author

The purpose of this study was to preliminarily evaluate the immunogenicity and immune persistence of inactivated SARS-CoV-2 vaccines in PLWH in the real world. We collected blood samples from 132 PLWH aged 18–59 years who were vaccinated with t...

(This article belongs to the Special Issue Immune Responses to COVID-19 Vaccines)
  • Article
  • Open Access
16 Citations
5,354 Views
17 Pages

Efficacy, Immunogenicity, and Safety of the Two-Dose Schedules of TURKOVAC versus CoronaVac in Healthy Subjects: A Randomized, Observer-Blinded, Non-Inferiority Phase III Trial

  • Mine Durusu Tanriover,
  • Ozlem Altuntas Aydin,
  • Rahmet Guner,
  • Orhan Yildiz and ,
  • Ilhami Celik,
  • Hamdi Levent Doganay,
  • Sukran Kose,
  • Sila Akhan,
  • Emin Halis Akalin and
  • on behalf of the TURKOVAC Study Group
  • + 8 authors+ 3 authors

4 November 2022

We present the interim results of the efficacy, immunogenicity, and safety of the two-dose schedules of TURKOVAC versus CoronaVac. This was a randomized, observer-blinded, non-inferiority trial (NCT04942405). Volunteers were 18–55 years old and...

(This article belongs to the Special Issue Effectiveness, Safety and Immunogenicity of SARS-CoV-2 Vaccines)
  • Article
  • Open Access
3 Citations
3,474 Views
13 Pages

Immune Response to an Inactivated Vaccine of SARS-CoV-2 (CoronaVac) in an Indigenous Brazilian Population: A Cohort Study

  • Laís Albuquerque de Oliveira,
  • Isa Rita Brito de Morais,
  • Marcelo dos Santos Barbosa,
  • Silvana Beutinger Marchioro and ,
  • Layla Oliveira Campos Leite Machado,
  • Michele Ferreira Marques,
  • Tiago da Silva Ferreira,
  • Gabriel Barroso de Almeida,
  • Dyjaene de Oliveira Barbosa and
  • Simone Simionatto
  • + 6 authors+ 1 author

10 April 2024

Introduction: Although the adaptive immune responses to the CoronaVac vaccine are known, their dynamics in indigenous communities remain unclear. In this study, we assessed the humoral and cellular immune responses to CoronaVac (Sinovac Biotech Life...

  • Article
  • Open Access
12 Citations
3,808 Views
11 Pages

Immunogenicity after a Third COVID-19 mRNA Booster in Solid Cancer Patients Who Previously Received the Primary Heterologous CoronaVac/ChAdOx1 Vaccine

  • Sutima Luangdilok,
  • Passakorn Wanchaijiraboon,
  • Nussara Pakvisal,
  • Thiti Susiriwatananont and ,
  • Nicha Zungsontiporn,
  • Virote Sriuranpong,
  • Panot Sainamthip,
  • Nungruthai Suntronwong,
  • Preeyaporn Vichaiwattana and
  • Suebpong Tanasanvimon
  • + 8 authors+ 3 authors

26 September 2022

No data regarding the efficacy of a third mRNA vaccine for solid cancer patients previously primed with the heterologous CoronoVac/ChAdOx1 vaccination implemented in Thailand during the shortage of vaccine supply are available. Forty-four cancer pati...

(This article belongs to the Collection COVID-19 Vaccine Development and Vaccination)
  • Communication
  • Open Access
4 Citations
2,345 Views
8 Pages

Neutralizing Antibodies against the SARS-CoV-2 Delta and Omicron BA.1 following Homologous CoronaVac Booster Vaccination

  • Jianhua Li,
  • Xiaoyan Li,
  • Erqiang Wang,
  • Jinye Yang and ,
  • Jiaxuan Li,
  • Chen Huang,
  • Yanjun Zhang and
  • Keda Chen
  • + 3 authors+ 0 author

9 December 2022

Emerging severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants have reduced susceptibility to neutralization by vaccines. In response to the constantly updated variants, a global vaccine booster vaccination program has been launched....

(This article belongs to the Special Issue Antibody Response of Vaccines to SARS-CoV-2)
  • Article
  • Open Access
13 Citations
4,559 Views
10 Pages

Immunogenicity of ChAdOx1 nCoV-19 Booster Vaccination Following Two CoronaVac Shots in Healthcare Workers

  • Wisit Prasithsirikul,
  • Krit Pongpirul,
  • Tanawin Nopsopon,
  • Phanupong Phutrakool and ,
  • Wannarat Pongpirul,
  • Chatpol Samuthpongtorn,
  • Pawita Suwanwattana and
  • Anan Jongkaewwattana
  • + 3 authors+ 0 author

30 January 2022

During the early phase of the COVID-19 pandemic, several countries, including Thailand, provided two shots of CoronaVac to healthcare workers. Whereas ChAdOx1 nCoV-19 is the promising vaccine as the booster dose, the data on immunogenicity when admin...

(This article belongs to the Special Issue Frontiers in Vaccines for COVID-19 and Related Coronavirus Diseases)
  • Case Report
  • Open Access
1 Citations
1,645 Views
12 Pages

Management of Gastric Fistulas After Gastric Sleeve Using E-VAC Therapy

  • Bogdan Mihnea Ciuntu,
  • Alexandra-Simona Zamfir,
  • Mădălina Maxim,
  • Carmen Lăcrămioara Zamfir and ,
  • Roxana Elena Ciuntu,
  • Mihai Lucian Zabara,
  • Irina Mihaela Abdulan,
  • Mihaela Corlade-Andrei,
  • Daniel Vasile Timofte and
  • Gheorghe G. Balan
  • + 5 authors+ 0 author

6 November 2025

Background and Clinical Significance: Sleeve gastrectomy is an effective and widely performed bariatric procedure that provides long-term, sustained weight loss, but it carries risks of early and late complications. Among these, gastric fistula is a...

(This article belongs to the Special Issue Advances in Diagnosis of Digestive Diseases)
  • Article
  • Open Access
5 Citations
2,629 Views
12 Pages

Hybrid Immunity Results in Enhanced and More Sustained Antibody Responses after the Second Sinovac-CoronaVac Dose in a Brazilian Cohort: DETECTCoV-19 Cohort

  • Bárbara Batista Salgado,
  • Aguyda Rayany Cavalcante Barbosa,
  • Ana Ruth Arcanjo,
  • Daniel Barros de Castro and ,
  • Tatyana Costa Amorim Ramos,
  • Felipe Naveca,
  • Daniel M. Altmann,
  • Rosemary J. Boyton,
  • Jaila Dias Borges Lalwani and
  • Pritesh Lalwani
  • + 5 authors+ 0 author

23 September 2023

We measured anti-SARS-CoV-2 antibody responses before and after CoronaVac (inactivated) vaccination in a case–control study performed in CoronaVac-immunized individuals participating in a longitudinal prospective study of adults in Manaus (DETE...

(This article belongs to the Topic Host Response against SARS-CoV-2 Infection: Implications for Diagnosis, Treatment and Vaccine Development)
  • Case Report
  • Open Access
1 Citations
8,541 Views
7 Pages

Placental Transfer Immunity to the Newborns in a Twin Pregnant Women Vaccinated with Heterologous CoronaVac-ChAdOx1

  • Saipin Pongsatha,
  • Kriangkrai Chawansuntati,
  • Supachai Sakkhachornphop and
  • Theera Tongsong

3 January 2023

Pregnant women who receive the COVID-19 vaccine develop anti-SARS-CoV-2 antibodies, which can be transferred to the fetus. However, the effectiveness of placental transfer has not been evaluated in twin pregnancy, especially in cases vaccinated with...

(This article belongs to the Special Issue COVID-19 and Pregnancy: Prevention and Control Strategies for Coronavirus in Women)

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