New COVID variant NB.1.8.1 could be more than 1 in 3 cases, CDC says

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

New COVID variant NB.1.8.1 could be more than 1 in 3 cases, CDC says
The NB.1.8.1 COVID-19 variant was linked to a large surge of hospitalizations in parts of Asia earlier this year.