A new COVID variant is spreading in the US: What are the symptoms?
- Posted on June 23, 2025
- By The Arizona Republic
- 1 Views
A new COVID variant is spreading in the US: What are the symptoms?
Variant NB.1.8.1 accounted for 0% of U.S. cases in April. By mid-June, it was estimated to be the cause of around 37% of cases.
