Recently, the population density in cities has increased at a higher pace. According to the
United Nations Population Fund, cities accommodated 3.3 billion people (54%) of the global …

Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the etiologic agent of
coronavirus disease 2019 (COVID-19), has spread globally in a few short months …

INTRODUCTION Governments across the world have implemented a wide range of
nonpharmaceutical interventions (NPIs) to mitigate the spread of severe acute respiratory …

In contrast to other respiratory viruses, children have less severe symptoms when infected
with the novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). In this …

Assessing the effectiveness of non-pharmaceutical interventions (NPIs) to mitigate the
spread of SARS-CoV-2 is critical to inform future preparedness response plans. Here we …

Importance Crowded indoor environments, such as households, are high-risk settings for the
transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). Objectives …

Background The study objective was to conduct a systematic review and meta-analysis on
the proportion of asymptomatic infection among coronavirus disease 2019 (COVID-19) …

Countries around the world are taking broad public health and social measures (PHSM),
including closure of schools, to prevent the spread of the SARS-CoV-2 virus, which causes …

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 …

Background Wuhan was the first epicentre of COVID-19 in the world, accounting for 80% of
cases in China during the first wave. We aimed to assess household transmissibility of …