But what may be particularly concerning about the BA.5 is how different its structure is from those of the earlier Omicron subvariants that emerged this past Winter and how quickly those changes ...

Moderna's updated COVID-19 vaccine provided a "significant boost" in people's neutralizing antibody levels against the latest omicron SARS-CoV-2 subvariants circulating in the US, that is ...

followed by an even more extreme outbreak in the Omicron period in January 2022. "The predicted but hypothetical Delta outbreak would have reached a maximum of 15,000 cases and maximum of 500 ...

What Are the Symptoms of COVID’s Latest Variants?

The agency’s rubric is based on three metrics: recent Covid cases, hospital admissions and hospital beds taken up by Covid patients. The CDC recommends that people in high-level counties take ...