The move to shorten the Pfizer booster interval comes as the U.S. shatters daily case records. The recommended interval for those who received Moderna or Johnson & Johnson vaccines has not changed.
The CDC recently cut the number of days it recommends COVID-positive people remain in isolation from 10 days to five, but it didn't require a negative test to leave isolation.
The CDC revised its guidance Thursday, as 91 cruise ships are under investigation for COVID outbreaks onboard. Most cruise lines require adult passengers to show proof of vaccination against COVID-19.
The Centers for Disease Control changed its guidelines for isolation and quarantine during this pandemic. Not everyone is sure how to define those terms. Also, not everyone is 100% behind the changes.
Skyrocketing COVID-19 case rates have caused officials In New York City and elsewhere to scale back their New Year's Eve celebrations. Around the country, people are facing tough decisions.
New data from the CDC released on Tuesday, shows that while omicron remains the dominant variant, delta – which is the more severe strain – is still a worrisome driving force behind the current surge.
People who test positive need to isolate themselves for 5 days if they don't show symptoms. The change reflects "what we know about the spread of the virus" and vaccine protection, the CDC chief says.
Most states are at the highest level of COVID risk and hot spots are emerging across the country as the omicron variant takes hold. Here are the latest numbers by state.