A COVID variant called "Cicada" is spreading. Here's what to know.

The COVID-19 variant BA.3.2, nicknamed "Cicada," has been detected in at least 23 countries and half the states in the U.S.

• Apr 1

Highly mutated strain of new COVID variant reported in Michigan

Cases of the new COVID variant BA.2.86 have been spotted in Michigan, Denmark and Israel.

• Aug 18, 2023

CDC tracking new COVID variant EU.1.1

Nearly 100 cases of the COVID variant EU.1.1 have been reported in Utah — more than any other state.

• Jun 26, 2023

New variant XBB.1.5 now more than a quarter of U.S. cases

XBB.1.5's prevalence remains highest in the Northeast, according to the CDC's latest estimates.

• Jan 6, 2023

In his final COVID briefing, Fauci hopes for less deadly COVID wave this winter

The president's outgoing chief medical adviser pointed to new CDC data suggesting the updated boosters will increase protection against infection.

• Nov 22, 2022

Pfizer booster spurs immune response to new omicron subtypes

Pfizer said that its updated COVID-19 booster may offer some protection against newly emerging omicron mutants even though it's not an exact match.

• Nov 18, 2022

CDC now tracking BN.1, the latest new COVID variant on the rise

The strain has climbed to make up 4.3% of new COVID-19 cases nationwide.

• Nov 14, 2022

Moderna says updated booster generated 'significantly higher' neutralizing antibodies against BA.4/BA.5 subvariants

Moderna said on Monday its updated Covid-19 booster generated "significantly higher" neutralizing antibodies against the Omicron BA.4/BA.5 subvariants than its earlier shot.

• Nov 14, 2022