The virus that causes COVID-19 continues to mutate. Scientists say that's likely to continue indefinitely, and the virus will ...

“The effectiveness of the COVID vaccines can vary depending on which variants are targeted in the vaccine, which variants are circulating, and host factors,” said Shirin A. Mazumder, MD, and ...

As the highly-contagious omicron variant quickly spreads across the country, a respiratory specialist says Americans should expect to see more breakthrough cases of COVID-19 in fully vaccinated ...

In the early, uncertain days of the coronavirus pandemic, scientists delivered one comforting pronouncement: The virus that ...

SARS-CoV-2, the virus responsible for COVID-19, infects cells by binding its spike protein to angiotensin-converting enzyme 2 ...

Monoclonal antibodies like etesevimab have lost efficacy against Omicron subvariants, necessitating innovative solutions.

For some, the symptoms never went away. The omicron relative now dominant in the U.S. is called XEC, which accounted for 45% of variants circulating nationally in the two-week period ending Dec ...

When Neil and Michelle went looking for their first house together, they fell for one with a big kitchen addition. The home inspector found no major issues and, reassured, they bought the house. That ...

Please report side effects. See the full CMI for further details. 1. Why am I being given COMIRNATY Omicron XBB.1.5? COMIRNATY Omicron XBB.1.5 is a vaccine given to prevent coronavirus disease ...

With the end of the year around the corner, the disrupted global supply chain and newly identified coronavirus variant ...

New Covid variant JN.1 becomes the most common strain on Earth - symptoms to look out for ...