omicron

The U.S. on Wednesday authorized updated COVID-19 boosters for children as young as 5, seeking to expand protection ahead of an expected winter wave.

Pfizer is asking the Food and Drug Administration to expand use of its updated COVID-19 booster shot to children ages 5 to 11.

President Joe Biden will deliver remarks on Thursday highlighting arrival of new COVID-19 vaccine boosters that have been updated to target the most common omicron strains currently in circulation.

Pfizer has asked U.S. regulators to authorize its combination COVID-19 vaccine that adds protection against the newest omicron strains: the BA.4 and BA.5 variants.

While COVID-19 cases are declining overall, experts are worried the trend could change due to the two new subvariants.

COVID super dodgers, people who have never been infected with COVID-19, are becoming an even more exclusive club now that the BA.5 omicron subvariant has taken over.

The omicron variants have shown a remarkable ability to get around the protection offered by infection and vaccination.

The subvariants are now responsible for 70% of new coronavirus cases, and their immunity to existing vaccines has concerned scientists. Here’s what you need to know about the subvariants.