Objective To review the evidence on the effectiveness of public health measures in reducing
the incidence of covid-19, SARS-CoV-2 transmission, and covid-19 mortality. Design …

Infectious diseases and human behavior are intertwined. On one side, our movements and
interactions are the engines of transmission. On the other, the unfolding of viruses might …

INTRODUCTION Several novel variants of severe acute respiratory syndrome coronavirus 2
(SARS-CoV-2), the virus that causes COVID-19, emerged in late 2020. One of these, Variant …

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

Background Global vaccine development efforts have been accelerated in response to the
devastating coronavirus disease 2019 (COVID-19) pandemic. We evaluated the impact of a …

Following its emergence in late 2019, the spread of SARS-CoV-2, has been tracked by
phylogenetic analysis of viral genome sequences in unprecedented detail,–. Although the …

Limited initial supply of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
vaccine raises the question of how to prioritize available doses. We used a mathematical …

The COVID-19 pandemic crisis has greatly impacted public transport ridership and service
provision across the world. As many countries start to navigate their return to normality, new …

Background The isolation of symptomatic cases and tracing of contacts has been used as an
early COVID-19 containment measure in many countries, with additional physical distancing …

Background Non-pharmaceutical interventions have been implemented to reduce
transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in the UK …