Key Takeaways NB.1.8.1 may make up over one-third of current U.S. COVID-19 casesThe variant is spreading fast, but doesn’t ...

A relatively new and seemingly highly contagious variant of Covid, NB.1.8.1, or the “Nimbus” variant, has been described by ...

Many people experiencing the new variant have reported feeling a sensation like razor blades scratching the back of their ...