Covid outbreaks in New York and D.C. infect senior officials as omicron BA.2 variant sweeps the U.S.

A man is given a coronavirus disease (COVID-19) test at pop-up testing site in New York, April 11, 2022. Brendan McDermid | Reuters Covid infections are rising again in the U.S. with outbreaks in New ...

Here’s What We Know About ‘Stealth’ Omicron BA.2 — The More Infectious Subvariant Better Able To Infect Vaccinated People

Topline A close relative of the omicron coronavirus variant—known as BA.2 and dubbed “stealth omicron” by some scientists—is more infectious and better at infecting vaccinated people, a Danish study h...