A new Covid-19 variant called NB.1.8.1, or Nimbus, represents about a third of new US Covid-19 cases. Dr. Leana Wen answers common questions about the new variant.

A new strain of COVID-19, XFG, is spreading rapidly across the world, including in the United States. Anecdotally, people who ...

"We’ve connected with the Vero Beach pharmacy team and reminded them of current CDC guidance regarding clinically ...

A summer wave also could occur in the United States. According to the US Centers for Disease Control and Prevention, NB.1.8.1 already represents about one-third of new Covid-19 cases as of June 7.

COVID-19 cases have decreased each week for the past five weeks, but more than 100 severe cases, including at least 30 deaths ...

While some organizations offer outdoor etiquette guidelines, they don't always tell you what you really want to know. Here are some tips from our editors.

Weather and insurance experts on what to expect in Europe this summer and what you can do if your trip is impacted by extreme ...

COVID-19 cases are on the rise again across the United States, with the biggest increases in parts of the South, Southeast ...

NB.1.8.1 is one of the latest variants of COVID-19, a "slightly upgraded version" of the LP.8.1 variant that is prominent right now, Subhash Verma, microbiology and immunology professor at the ...

As a new COVID-19 variant takes over in the U.S., guidance surrounding vaccines has become increasingly confusing. Changes in vaccination guidelines, ever-evolving variants and strains, along with ...

Wondering about the latest vaccine recommendations to protect against COVID-19? It's complicated.

The COVID-19 vaccine is safe during pregnancy, and vaccination can protect our patients and their infants after birth," President Steven J. Fleischman said in a statement.