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Tropical Medicine and Infectious Disease, Volume 6, Issue 3

September 2021 - 64 articles

Cover Story: Colpodella species are free-living predatory relatives of pathogenic apicomplexans. Nutrient acquisition by Colpodella species is through myzocytosis. In Colpodella sp. (ATCC 50594), cyst formation and nuclear division following feeding are reminiscent of schizogony in apicomplexans. We identified pre-cyst stages, asymmetric and asynchronous division within mature cysts. Transmission electron microscopy identified the attachment of predator to prey and engulfment of the prey’s membrane prior to cytoplasmic aspiration. Investigations of life cycle stage transitions will further our understanding of the origins of intracellular parasitism among apicomplexans. View this paper
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Articles (64)

  • Article
  • Open Access
4 Citations
3,712 Views
11 Pages

Screening for Parasitic Infection and Tuberculosis in Immunosuppressed and Pre-Immunosuppressed Patients: An Observational Study

  • Luisa Carnino,
  • Jean-Marc Schwob,
  • Dionysios Neofytos,
  • Maria Lazo-Porras,
  • François Chappuis and
  • Gilles Eperon

Reactivation of latent tuberculosis infection (LTBI) or latent parasitic infection (LPI) during drug-induced immunosuppression can have serious consequences. The Division of tropical and humanitarian medicine of the Geneva University Hospitals runs a...

  • Article
  • Open Access
6 Citations
3,511 Views
15 Pages

Hantaviruses in Agricultural and Forestry Workers: Knowledge, Attitudes and Practices in Italian Physicians

  • Matteo Riccò,
  • Pietro Ferraro,
  • Simona Peruzzi,
  • Federica Balzarini and
  • Silvia Ranzieri

Hantaviruses are viral pathogens usually endemic in rodent populations. Human exposure follows inhalation of dusts contaminated with rodent excreta, and most individuals have been infected in occupational settings heavily contaminated with rodent dro...

  • Article
  • Open Access
5 Citations
4,703 Views
11 Pages

Leptospirosis is an endemic disease with moderate to high incidence in Mahasarakham province, Thailand. The present study was designed to assess the policy implementation mission regarding leptospirosis prevention and control from the national level...

  • Article
  • Open Access
7 Citations
5,607 Views
14 Pages

Challenges Perceived by Health Care Providers for Implementation of Contact Screening and Isoniazid Chemoprophylaxis in Karnataka, India

  • Kiran Chawla,
  • Sharath Burugina Nagaraja,
  • Nayana Siddalingaiah,
  • Chidananda Sanju,
  • Vishnu Prasad Shenoy,
  • Uday Kumar,
  • Arundathi Das,
  • Druti Hazra,
  • Suresh Shastri and
  • Anil Singarajipur
  • + 1 author

Background: In India, challenges in pediatric TB contact screening and chemoprophylaxis initiation are still underexplored. Elucidating these challenges will help in better implementation of the programme at the grass-roots level thereby helping in e...

  • Systematic Review
  • Open Access
15 Citations
5,103 Views
22 Pages

Containing antimicrobial resistance and reducing high levels of antibiotic consumption in low- and lower middle-income countries are a major challenge. Clinical guidelines targeting antibiotic prescribing can reduce consumption, however, the degrees...

  • Article
  • Open Access
17 Citations
4,109 Views
13 Pages

Is It Feasible to Conduct Post-Tuberculosis Assessments at the End of Tuberculosis Treatment under Routine Programmatic Conditions in China?

  • Yan Lin,
  • Yuqin Liu,
  • Guanghui Zhang,
  • Qinghe Cai,
  • Weihua Hu,
  • Lixin Xiao,
  • Pruthu Thekkur,
  • Jonathan E. Golub and
  • Anthony D. Harries

There is growing evidence that a substantial proportion of people who complete anti-tuberculosis treatment experience significant morbidity and mortality which can negatively affect their quality of life. It is suggested that national tuberculosis pr...

  • Case Report
  • Open Access
2 Citations
3,057 Views
8 Pages

The first indigenous outbreak of chikungunya in Taiwan occurred in New Taipei City, northern Taiwan, from August to October 2019. This study identified important containment strategies for controlling the outbreak. The outbreak investigation and ovit...

  • Article
  • Open Access
24 Citations
6,859 Views
16 Pages

Genetic Diversity of Dengue Virus in Clinical Specimens from Bangkok, Thailand, during 2018–2020: Co-Circulation of All Four Serotypes with Multiple Genotypes and/or Clades

  • Kanaporn Poltep,
  • Juthamas Phadungsombat,
  • Emi E. Nakayama,
  • Nathamon Kosoltanapiwat,
  • Borimas Hanboonkunupakarn,
  • Witthawat Wiriyarat,
  • Tatsuo Shioda and
  • Pornsawan Leaungwutiwong

Dengue is an arboviral disease highly endemic in Bangkok, Thailand. To characterize the current genetic diversity of dengue virus (DENV), we recruited patients with suspected DENV infection at the Hospital for Tropical Diseases, Bangkok, during 2018–...

  • Article
  • Open Access
28 Citations
8,759 Views
14 Pages

Early Evaluation of an Ultra-Portable X-ray System for Tuberculosis Active Case Finding

  • Luan Nguyen Quang Vo,
  • Andrew Codlin,
  • Thuc Doan Ngo,
  • Thang Phuoc Dao,
  • Thuy Thi Thu Dong,
  • Huong Thi Lan Mo,
  • Rachel Forse,
  • Thao Thanh Nguyen,
  • Cong Van Cung and
  • Hoa Binh Nguyen
  • + 6 authors

X-ray screening is an important tool in tuberculosis (TB) prevention and care, but access has historically been restricted by its immobile nature. As recent advancements have improved the portability of modern X-ray systems, this study represents an...

  • Review
  • Open Access
18 Citations
9,942 Views
10 Pages

Prevalence of Intestinal Parasitic Infections among Children in Europe over the Last Five Years

  • Maria Kantzanou,
  • Maria A. Karalexi,
  • Georgia Vrioni and
  • Athanasios Tsakris

While the prevalence of intestinal parasitic infections (IPI) has been most commonly studied in African and Asian populations, less is known about the prevalence rates of IPI in European children, as well as the potential risk factors that favor the...

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Trop. Med. Infect. Dis. - ISSN 2414-6366