Natural immunity and vaccine responses may be weaker in people with immune suppression, so they should get their second dose promptly.

Leading cancer and infectious disease experts provide recommendations for both treatment and prevention of COVID-19 for people with cancer.

The protein vaccine was 96% effective against the original SARS-CoV-2 coronavirus, but less so against new variants.

The guidance recommends that people with HIV should receive COVID-19 vaccines regardless of their CD4 count or viral load.

Study findings may help explain why wearing masks has been linked to lower disease severity in people with COVID-19.

The Johnson & Johnson vaccine, which is easier to store and deliver, will help speed up the coronavirus vaccine rollout.

People who have had COVID-19 appear to be protected against reinfection for at least a few months.

A year into the pandemic, the FDA, CDC and USDA say there’s no credible evidence linking food or packaging to COVID-19.

NIAID director Anthony Fauci, MD, and coauthors emphasize the need for a global response to COVID-19.

Bamlanivimab and etesevimab may be given to people with mild to moderate COVID-19 who are at high risk for progression to severe disease.