Warning: NB.1.8.1 COVID Variant Surges in China—Now Spreading Shockingly Fast in U.S.By / May 26, 2025 NB.1.8.1 COVID Variant Surges in China—Now Spreading Shockingly Fast in U.S. By Bruce Y. Lee May 26, 2025 Remember COVID-19? That illness that’s killed around 350 people a week in the United States over the past month and continues to leave more and more people with long COVID? Read More…Also Read: Could Bird Flu