It is unknown whether the newest COVID-19 variant NB.1.8.1, also known by the nickname “razor throat” for one of its defining ...

A contagious new COVID-19 variant called NB.1.8.1, aka "Nimbus," is now dominant in the United States, CDC data show. What to ...

Introduction The COVID-19 pandemic has caused unprecedented disruptions around the world. Adding to the existing stress surrounding pregnancy and childbirth, the threat of infection and social ...