Health authorities and clinicians across China are warning of a significant surge in COVID‑19 infections this July, driven by the NB.1.8.1 variant—a descendant of the JN.1 lineage that now dominates ...

While COVID-19 transmission remains low in the US, health experts are anxious about the potential for a big summer wave as ...

The new COVID-19 variant NB.1.8.1, nicknamed ‘Nimbus,’ now accounts for 37% of U.S. cases. It spreads fast, causes severe sore throat, and may evade immunity due to spike mutations.