The coronavirus disease 2019 (COVID-19) pandemic, caused by severe acute respiratory
syndrome coronavirus 2 (SARS-CoV-2), has affected countries across the world. While the …

Importance Asymptomatic infections are potential sources of transmission for COVID-19.
Objective To evaluate the percentage of asymptomatic infections among individuals …

A better understanding of serological data and risk factors for coronavirus disease 2019
(COVID-19) infection in healthcare workers (HCWs) is especially important in African …

Background The lower than expected COVID-19 morbidity and mortality in Africa has been
attributed to multiple factors, including weak surveillance. This study estimated the burden of …

A reliable estimate of SARS-CoV-2-specific antibodies is increasingly important to track the
spread of infection and define the true burden of the ongoing COVID-19 pandemic. A …

Background Healthcare workers (HCW) are at increased risk of infection with SARS-CoV-2.
Vulnerable patient populations in particular must be protected, and clinics should not …

Abstract From April to September 2020, we investigated severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2) infections in a cohort of 396 healthcare workers (HCWs) from 5 …

Abstract Background Healthcare workers (HCWs) are at a high risk for disease exposure.
Given the limited availability of nucleic acid testing by PCR in low resource settings …

Healthcare workers (HCWs) are among the most vulnerable in regard to contracting severe
acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. Comorbidities are …

RESUMO O objetivo do estudo consistiu em identificar as características de profissionais de
saúde acometidos por Covid-19. Trata-se de uma revisão integrativa da literatura guiada …