The CDC’s vaccine advisors meet to consider new COVID-19 shots that are designed to target the BA.5 Omicron strain.
Karen Kaplan
‘The war has changed’: Delta variant is rising. Breakthrough infections, too. How should I protect myself?
The highly contagious Delta variant of the virus that causes COVID-19 is behind the latest surge across California and the U.S., and familiar measures — getting vaccinated, wearing masks, social distancing — are a good start for protection.
CDC document paints more dire picture of threat posed by Delta variant
The Delta variant is more formidable than previously believed, due to its ability to infect and be spread by people who are vaccinated, a CDC document says.
Coronavirus name game: Farewell, B.1.1.7. Hello, Alpha!
The World Health Organization has unveiled a new naming system for coronavirus variants that uses Greek letters instead of geographical locations.
COVID-19 vaccines don’t cause sudden hearing loss, study finds
Sudden hearing loss is not a side effect of getting a COVID-19 vaccine, according to an analysis by doctors who treated patients with the condition.
Studies of hospital workers suggest COVID-19 vaccines really do prevent coronavirus infections
Two studies of hospital workers bolster the case that COVID-19 vaccines really do reduce the risk of a coronavirus infection.
I’m fully vaccinated against COVID-19. How long will the protection last?
With so many Americans becoming immunized, it’s natural to look ahead and wonder how long this protection will last. The answer: No one knows.
What’s different about Johnson & Johnson’s vaccine that might explain its blood clot risk?
Why might some COVID-19 vaccines pose a small risk of blood clots while others don’t? Scientists suspect it’s related to their use of adenoviruses.
Moderna begins testing its COVID-19 vaccine in children as young as 6 months
Moderna has begun testing its COVID-19 vaccine in children as part of a study to determine if it is safe and effective in kids as young as 6 months.
U.S. embraces COVID-19 vaccines, improving odds of herd immunity
Americans are warming up to COVID-19 vaccines, with 19% saying they’ve already received at least one dose and 49% intending to do so when they get the chance.

