variants

What COVID might look like in the U.S. once we reach the endemic phase

Adrian Florido

Andy Slavitt, former senior adviser to President Biden on COVID-19, shares what he thinks the endemic phase of COVID-19 will look like in the U.S. and how we can prepare for that stage now.

Rapid tests are effective in detecting BA.2, but the high infectivity of the subvariant means it could jump from person to person before a positive result is detected.

Can we trust rapid COVID tests against BA.2? This is what the experts say

Michael Levitt

With the BA.2 subvariant of omicron pushing infection rates up, many are reaching for at-home rapid tests. Here's what experts say on how best to use them.

2 new omicron variants are spreading in N.Y. and elsewhere. Here's what we know

Michaeleen Doucleff

The variants — BA.2.12 and BA.2.12.1 — have been detected in New York and other states as well as 5 other countries. One has a mutation that seems to give it an edge in evading the immune system.