An update is available for this article. Background: Health care workers (HCWs) are at risk
for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. Purpose: To …

In the COVID-19 pandemic era, antibody testing against severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2) has proven an invaluable tool and herein we highlight some of …

Under-reporting of COVID-19 and the limited information about circulating SARS-CoV-2
variants remain major challenges for many African countries. We analyzed SARS-CoV-2 …

Ethiopia is the second most populous country in Africa and the sixth most affected by COVID-
19 on the continent. Despite having experienced five infection waves,> 499,000 cases, and …

Single-dose COVID-19 vaccines, mostly mRNA-based vaccines, are shown to induce robust
antibody responses in individuals who were previously infected with SARS-CoV-2 …

Abstract Background and Aim Healthcare workers (HCWs) are considered a high‐risk group
for severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) exposure, ascribed to …

Abstract Background Healthcare workers (HCWs) are at a higher risk of contracting COVID-
19 due to their close contact with infected patients. However, the true burden of COVID-19 …

Healthcare workers (HCWs) are a vulnerable and critical population in the ongoing
response to the SARS-CoV-2 pandemic. We aimed to estimate the seroprevalence in HCWs …

Background Seroprevalence studies, to estimate the proportion of people that has been
infected by SARS-CoV-2 are importance in African countries, where incidence is among the …

Background Pregnant women are a vulnerable population to COVID-19 given an increased
susceptibility to severe SARS-CoV-2 infection and pregnancy complications. However, few …