Objective To estimate the infection fatality rate of coronavirus disease 2019 (COVID-19) from
seroprevalence data. Methods I searched PubMed and preprint servers for COVID-19 …

Background There is limited information on the effect of age on the transmission of SARS-
CoV-2 infection in different settings. Methods We reviewed published studies/data on …

The spread of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in Africa is
poorly described. The first case of SARS-CoV-2 in Kenya was reported on 12 March 2020 …

SARS-CoV-2, the virus responsible for the COVID-19 pandemic, is perceived to be primarily
transmitted via person-to-person contact through droplets produced while talking, coughing …

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), causing the coronavirus
disease 2019 (COVID-19), has led to a global pandemic. However, the majority of currently …

Background The recent outbreak of the coronavirus disease 2019 (COVID-19) has quickly
spread globally since its discovery in Wuhan, China, in December 2019. A comprehensive …

Objetivo: Descrever as mudanças nas condições socioeconômicas e de saúde dos
brasileiros durante a pandemia de COVID-19. Métodos: Estudo transversal com dados de …

We aimed to assess the prevalence of and factors associated with anti-severe acute
respiratory syndrome coronavirus-2 (SARS-CoV-2) positivity in a large population of adult …

Objectives The COVID-19 diagnosis is difficult and ambiguous due to nonspecific symptoms.
Further, data from Mexico arehospitable population-based without signs and symptoms …

The first local spread of COVID-19 in Israel was detected in March 2020. Due to the diversity
in clinical presentations of COVID-19, diagnosis by RT-PCR alone might miss patients with …