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 ...

It's related to the omicron variant and is spreading in the U.S. now, causing more than 40% of Covid-19 cases.

Chief Campus Health Officer Sarah Van Orman said the new "nimbus" variant appears more transmissible but is not causing more ...

If you still think the vaccine isn’t worth it, ask yourself how many people begged for it with their last breaths. | Opinion ...

The virus killed at least 20 million people, wiped at least $10 trillion from the global economy and upended billions of ...

A study published in PLOS Climate by Georgetown University explored the link between wildfire and COVID-19 and flu. What did ...

I’m not as worried about COVID as I used to be, but it is still worth it to be careful and considerate of others by wearing a ...

“Our findings show that wildfires led to a dramatic increase in indoor activities, creating the ideal conditions for ...