Everyone should get a booster shot. In the long run, though, doses every few months aren’t a viable public health strategy, scientists say.
Tag: Centers for Disease Control and Prevention
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.
C.D.C. Study Suggests Omicron’s Incubation Period Is Just 3 Days
A case study of one infected household observed that it may take as little as three days for people to become contagious, compared with four to six days with earlier versions of the virus.
Fears of Omicron’s Rapid Spread Are Tempered by Signs of Milder Illness
“We can’t stop it,” Israel’s prime minister said of the Omicron variant, but that warning was blunted by early signs of potentially less-severe illness than with earlier coronavirus iterations.
As Omicron Cases Surge, CDC Shortens Isolation Times for Many Americans
Hoping to prevent further disruptions to daily life, the C.D.C. reduced the period that certain infected Americans must sequester.
South Africa Ends Quarantining and Contact Tracing
The new regulations follow data showing that while the Omicron variant is highly transmissible, it has not caused high rates of severe disease in South Africa.