BA. 2, the highly contagious omicron subvariant, is now the dominant COVID-19 strain in the U.S., according to data from the CDC. Numbers show the subvariant, also known as “stealth omicron,” ...

The US Centers for Disease Control and Prevention strengthened recommendations for booster doses of coronavirus vaccine Monday, saying all adults should get boosted six months after the second dose of ...

PHILADELPHIA (WPVI) -- COVID-19 boosters could play a big role in keeping kids in school as the omicron variant surge continues. A CDC advisory panel will be discussing the extra dose on Wednesday for ...

Three large new studies from the U.S. Centers for Disease Control and Prevention highlight the importance of getting a booster shot to provide the best protection against the omicron coronavirus ...

The Centers for Disease Control and Prevention said Tuesday that data has shown that the spread of the omicron variant is what fuels a spike in hospitalizations in young children 4-years-old and ...

PHILADELPHIA (WPVI) -- When comparing omicron vs. delta variants, omicron has 53% less risk of hospitalization and 91% less risk of death, CDC Director Dr. Rochelle Walensky revealed on Wednesday.