Pfizer Inc.

US vaccinations reach 200 million as campaign intensifies

Biden administration prepares for potential need

Daily US data on April 16

Why would the Covid not eradicate polio like smallpox?

J&J asked Pfizer, Moderna to help study blood clots, but they refused: WSJ

Pfizer CEO says third dose of Covid vaccine likely needed within 12 months

Montgomery County sees increase in COVID cases, expands emergency order | Southeast Pennsylvania

Denmark becomes the first country to permanently stop using the AstraZeneca vaccine

A missed opportunity saw China lag behind on covalent vaccines

Modern hopes to have a booster shot ready by autumn, says the CEO

Denmark leaves AstraZeneca vaccine out of vaccination program on blood clot problems

Are China’s Covid Shots Less Effective? Experts enlarge Sinovac