A new COVID-19 variant spreading across the United States may cause an extremely painful sore throat—dubbed the "razor throat"—among its symptoms. The new "Nimbus" strain, also known as COVID-19 NB 1.

The newest concerning variant of covid-19 is rapidly advancing across the U.S. Data from the Centers for Disease Control and Prevention shows that NB.1.8.1 has started to supplant other circulating strains of the coronavirus.

The NB.1.8.1 COVID-19 variant was linked to a large surge of hospitalizations in parts of Asia earlier this year.

The COVID-19 subvariant "Nimbus" is known for its ultra-contagious and painful sore throat, described as "razor blade throat."

World-renowned infectious-disease epidemiologist Martin Kulldorff — who was fired from Harvard Medical School last year after refusing the COVID vaccine — just got a new gig. Kulldorff has been named a member of the Centers for Disease Control and Prevention’s Advisory Committee for Immunization Practices.

Meissner was previously listed in April as a consultant to the RSV vaccines work group for the CDC committee, before Kennedy fired its advisers.

NB.1.8.1 — a new COVID-19 variant tied to a surge in China — now accounts for around 37% of cases in the U.S., according to variant proportion estimates from the CDC. Four notes:

The CDC says Taiwan's COVID-19 outbreak may have peaked and could wind down by late July as the number of medical visits starts to slow.