Analyzing wastewater can help officials estimate how prevalent the virus is in a community and which variants are circulating.
Tag: Centers for Disease Control and Prevention
As Omicron Crests, Booster Shots Are Keeping Americans Out of Hospitals
Extra vaccine doses were expected to lower infection rates. But the shots also seem to be preventing severe illness caused by the new variant, the C.D.C. reported.
Royal Caribbean Cancels Three Upcoming Cruises
The company said it had called off planned trips on three ships and pushed back another’s return to cruising to March.
C.D.C Director Defends Covid-19 Isolation Guidance
Dr. Rochelle P. Walensky held the agency’s first independent news briefing since the Trump White House ended them nearly two years ago.
Scientists Endorse Covid Boosters, But to a Point
Everyone should get a booster shot. In the long run, though, doses every few months aren’t a viable public health strategy, scientists say.
Emerging Data Raise Questions About Antigen Tests and Nasal Swabs
A new study adds to evidence that common rapid tests may fail to detect some Omicron cases in the first days of infection.
CDC Recommends a Pfizer Booster Shot After 5 Months, Not 6
Following the F.D.A.’s lead, the agency also recommended third shots after four weeks for some immunocompromised children 5 to 11.
Get a Pfizer Booster After 5 Months, Not 6, the C.D.C. Says
Following the F.D.A.’s lead, the agency also recommended third shots after four weeks for some immunocompromised children 5 to 11.
Making Sense of Covid Changes
What experts say about new C.D.C. rules and rising case numbers.
Will Shortened Isolation Periods Without Testing Spread the Virus?
Without rapid testing, some experts fear new U.S. guidelines may mean infected people leave isolation while still contagious. The C.D.C. director said masking was a better option.