epidemics

Annual Covid-19 vaccine boosters likely needed, says Pfizer CEO

Study findings are more likely after Covid-19 than after vaccination

Pfizer, Modern vaccines can also cause ultra-rare blood clots, study claims

Two to a bed in hospital in Delhi as the COVID crisis in India turns

CDC identifies small group of Covid-19 infections among fully vaccinated patients

Fentanyl has spread west and overdose is rising

Merck terminates development of Covid drug obtained from OncoImmune

Variants Fuel Covid-19 Surge, but scientists express optimism for vaccines

Indian hospitals fight ‘chaotic’ boom as daily virus infections cross 200,000

Many Indian hospitals overwhelmed by COVID surge because beds lack oxygen

J & J COVID-19 vaccine in limbo as US panel votes delays on resuming shots

Exercising for about 22 minutes a day can reduce your risk of severe COVID or death.