Abstract Globally, key subpopulations have a high risk of contracting SARS-CoV-2.
Abstract Background Globally, key su
BACKGROUND Serological testing for SARS-CoV-2 plays an important role for epidemiological studies
Abstract From April to September 2020, we investigated severe acute respiratory syn
Abstract The burden of severe Covid-19 has been relatively low in sib-Saharan Afric
We reported the findings of the first Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) f