Developing Antivirals and Repurposing Drugs for the Use against COVID-19

A special issue of Vaccines (ISSN 2076-393X). This special issue belongs to the section "Vaccination Optimization".

Deadline for manuscript submissions: closed (31 December 2023) | Viewed by 1266

Special Issue Editor


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Guest Editor
National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, MD, USA
Interests: SARS-CoV-2; PRRSV; antivirals; virus–host interaction

Special Issue Information

Dear Colleagues,

COVID19, caused by the novel coronavirus SARS-CoV-2, poses a great and ongoing threat to both the public health and the world economy. The implementation of mass vaccination against SARS-CoV-2 efficiently reduces the incidences of severe disease, morbidity, and mortality. However, vaccination is far from perfect due to widespread vaccine hesitancy and compromised vaccine efficacy against emerging SARS-CoV-2 variants. The spike protein, RNA-dependent RNA polymerase (RdRp), 3-chymotrypsin-like protease (3CLpro) and papain-like protease (PLpro) are crucial for the replication cycles and pathogenesis of SARS-CoV-2 and are deemed attractive drug targets. Therefore, another promising strategy would be developing new antivirals while working to repurpose drugs to treat COVID-19. The objective of this Special Issue of vaccines is to cover the most recent new antiviral development and repurposed drugs for the use against COVID-19. 

Dr. Chang Huang
Guest Editor

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Keywords

  • SARS-CoV-2
  • replication cycles
  • pathogenesis
  • antivirals
  • repurposed drugs

Published Papers (1 paper)

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Research

19 pages, 579 KiB  
Article
Inactivated Poliovirus Vaccine Booster Reduces the Likelihood of COVID-19 Outcomes in Individuals Primed with Oral Poliovirus Vaccination
by Brittany A. Comunale, Robin J. Larson, Yea-Jen Hsu, Erin Jackson-Ward, Chisom Azodoh, Aditi Singh and Lilly D. Engineer
Vaccines 2024, 12(3), 219; https://doi.org/10.3390/vaccines12030219 - 20 Feb 2024
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Abstract
Introduction: Prior research explores whether seasonal and childhood vaccines mitigate the risk of SARS-CoV-2 infection. Although there are trials investigating COVID-19 infection in response to the effects of the oral poliovirus vaccine (OPV), there has been no prior research assessing COVID-19 outcomes in [...] Read more.
Introduction: Prior research explores whether seasonal and childhood vaccines mitigate the risk of SARS-CoV-2 infection. Although there are trials investigating COVID-19 infection in response to the effects of the oral poliovirus vaccine (OPV), there has been no prior research assessing COVID-19 outcomes in recently immunized adults with the inactivated poliovirus vaccine (IPV). Methods: SARS-CoV-2 infection and COVID-19 symptoms were analyzed across a cohort of 282 adults who received an IPV booster. Bivariate and multivariate regression models explored associations among variables related to vaccination histories and COVID-19 outcomes. Results: One year post-IPV inoculation, participants who had never received OPV were more likely to test positive for SARS-CoV-2 and experience COVID-19 symptoms, compared to those who had previously received OPV (OR = 3.92, 95%CI 2.22–7.03, p < 0.001; OR = 4.45, 95%CI 2.48–8.17, p < 0.001, respectively). Those who had never received OPV experienced COVID-19 symptoms for 6.17 days longer than participants who had previously received OPV (95%CI 3.68–8.67, p < 0.001). Multivariate regression modeling indicated COVID-19 vaccination did not impact SARS-CoV-2 infection or COVID-19 symptoms in this sample of adults who had recently received IPV. Discussion: Findings suggest IPV may boost mucosal immunity among OPV-primed individuals, and COVID-19 vaccination may not provide additional protection among those who had received IPV. Future, larger-scale studies should measure the extent of protective effects against COVID-19 to inform public health policies in resource-deficient settings. Full article
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