The global COVID-19 vaccination campaign saved 2.4 million lives in 141 countries. Equitable vaccine distribution could have saved 670,000 more.

Children in child care centers don't spread COVID-19 at significant rates to caregivers, other kids at the center, or to family members.

A vaccine designed to protect against three different deadly coronaviruses shows promise in mouse studies, researchers report.

Vaccine policies fall on a spectrum, from mandates to recommendations. Deciding what to use and when is not so much a science but a balancing act between personal autonomy and public good.

While useful for killing pathogens including SARS-CoV-2, the lights may cause unwanted chemical reactions and should be used with ventilation, researchers say.

Chemists discover the structures of open and closed states of the channel, which could help the development of antiviral drugs to reduce inflammation.

Newly approved and updated vaccines are the best tools available to combat COVID-19, the flu and RSV, as infections and hospitalizations tick upward and cold and flu season gets underway.

Our study shows the UK must prepare for, and respond to, the risks associated with future food shortages.

EVEscape uses evolutionary and biological information to predict how a virus could change to escape the immune system.

Not everyone suffered a blow to their mental health during the COVID-19 pandemic. "We also found a lot of evidence of resilience."