Coronavirus

Based on trial in United States and South America, company claims 79% efficacy against symptomatic COVID-19 cases for troubled but low-cost vaccine

Infected cats and dogs experience serious symptoms, but it’s unclear whether the virus is causing them

European Medicines Agency declares vaccine “safe and effective,” but investigation will continue

Publishing during the pandemic was a wake-up call for this Ph.D. student

MIS-C surfaces weeks after infection, and scientists are edging closer to learning why

European doctors see an unusual combination of blood clots, low platelet counts, and internal bleeding in more than 13 vaccinated people

Viral invasion might be linked to abnormal heart rhythms

Doctors are applying a torrent of COVID-19 research to patient care, from first symptoms to recovery

An arsenal of potential treatments takes aim at proteins key to the virus’ life cycle

$1.9 trillion measure expected to become law by Friday

Scientists live in fear of losing access to the GISAID database

Rich countries have ordered billions of doses more than needed for their populations

Pandemic might derail careers of women scientists, particularly those with caregiving responsibilities

Rick Bright takes new position at the Rockefeller Foundation

Effort found four drugs had little benefit, now on hold until new drugs are chosen to test

Researchers omitted data suggesting child mortality went up in the spring of 2020