Analysis | The slow redefinition of ‘herd immunity’ — and what’s actually possible in the United States
CDC projects a 'sharp decline' in Covid cases in the U.S. by July
Feds rethink vaccination strategy as slowing demand reveals stark divide
Biden sets new vaccine goals as White House grapples with its message
Pfizer Will Seek Approval to Give Covid Vaccine to Children
Reaching ‘Herd Immunity’ Is Unlikely in the U.S., Experts Now Believe
Biden aims for vaccinating 70% of adult Americans by July 4
Why Lagging COVID Vaccine Rate At Rural Hospitals 'Needs To Be Fixed Now'
Children Now Account For 22% of New U.S. COVID Cases. Why Is That?
COVID 'Doesn't Discriminate By Age': Serious Cases On The Rise In Younger Adults
Obama urges young people to get vaccinated in TikTok PSA
U.S. Vaccinations May Be Reaching A Tipping Point To Stop The Virus, Experts Say
Moderna ramps up investments to triple vaccine output, eyes boosters
An Unexpected Pandemic Side Effect In Peru: A Comeback For TB