Scientists across disciplines, policymakers, and journalists have voiced frustration at the
unprecedented polarization and misinformation around coronavirus disease 2019 (COVID-19) …

People with persistently asymptomatic severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
infection experience no symptoms throughout the course of infection, and pre-…

Greater human mobility, largely driven by air travel, is leading to an increase in the frequency
and reach of infectious disease epidemics. Air travel can rapidly connect any two points on …

Background The WHO declared the 2014 west African Ebola epidemic a public health
emergency of international concern in view of its potential for further international spread. …

Background As the epidemic of Zika virus expands in the Americas, countries across Africa
and the Asia-Pacific region are becoming increasingly susceptible to the importation and …

In May, 2015, locally acquired cases of Zika virus—an arbovirus found in Africa and Asia-Pacific
and transmitted via Aedes mosquitoes—were confirmed in Brazil. The presence of …

There is currently an outbreak of pneumonia of unknown aetiology in Wuhan, China.
Although there are still several unanswered questions about this infection, we evaluate the …

The United Kingdom’s COVID-19 epidemic during early 2020 was one of world’s largest
and was unusually well represented by virus genomic sampling. We determined the fine-scale …

In a prospective observational cohort study, we found that 45.6% of patients referred for
continuing human immunodeficiency virus postexposure prophylaxis from the emergency …

The novel coronavirus SARS-CoV-2 was first detected in the Pacific Northwest region of the
United States in January 2020, with subsequent COVID-19 outbreaks detected in all 50 …