The mortality impact of COVID-19 in Africa remains controversial because most countries
lack vital registration. We analysed excess mortality in Kilifi Health and Demographic …

Background Since the beginning of the COVID-19 pandemic, therapeutic options for treating
COVID-19 have been investigated at different stages of clinical manifestations. Considering …

Page 1 “Crafting the mosaic” A framework for resilient surveillance for respiratory viruses of
epidemic and pandemic potential World Health Organization Page 2 Page 3 "Crafting the …

SARS-CoV-2 serosurveillance is important to adapt infection control measures and estimate
the degree of underreporting. Blood donor samples can be used as a proxy for the healthy …

Background Serological surveys have been the gold standard to estimate numbers of SARS-
CoV-2 infections, the dynamics of the epidemic, and disease severity. Serological assays …

OBJECTIVES We estimated the population prevalence of antibodies to severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2), including unreported infections, through …

Background The true burden of COVID‐19 in low‐and middle‐income countries remains
poorly characterized, especially in Africa. Even prior to the availability of SARS‐CoV‐2 …

Seroprevalence studies on SARS-CoV-2 are essential for estimating actual prevalence rates
of infection and vaccination in communities. This study evaluated infection rates based on …

Reverse transcription polymerase chain reaction (RT-PCR) on respiratory tract swabs has
become the gold standard for sensitive and specific detection of influenza virus, respiratory …

The pandemic caused by severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2)
has had a profound impact on the global health and economy. While mass vaccination for …