Preliminary laboratory studies find antibodies from previous infections and vaccinations can neutralize the BA.2.86 variant. The findings bode well for new boosters on the way this fall.

Step aside, BA.5. The new variants BQ.1 and BQ.1.1, appear to be among the most adept yet at evading immunity from previous infection and vaccination.

Data released Tuesday from the Centers for Disease Control and Prevention shows BA.5 already makes up 65% of all circulating SARS-CoV-2 virus.  

The company says this version targets both the original coronavirus and the beta variant, and appears to provide broader and longer-lasting protection against different strains, including omicron.

Studies on white-tailed deer in Pennsylvania and Ontario offer evidence that the mammals are a reservoir for the coronavirus. What are the implications for the course of SARS-CoV-2?

What's the U.S. doing to watch out for the omicron variant? Here's the work underway and the challenges that experts say may slow down the country's efforts.