Pfizer Inc.

Are mRNA-coated vaccines dangerous? What the experts say: QuickTake

U.S. production of the COVID-19 vaccine is accelerating dramatically

Olympics Bars Foreign fans, Britain crosses milestone: virus update

How long immunity lasts and most common side effects

UK supply will slow down in the coming weeks, with risk of deployment

The UK is facing a significant reduction in vaccine supply over four weeks

The United States could start vaccinating young children in early 2022, says Dr. Fauci

China relaxes border restrictions for those who received vaccines made in China

US better in Covid vaccines, unlikely European increase

The United States exceeds 100 million doses of Covid vaccine administered, 13% of adults now fully vaccinated