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COVID-19 Symptoms

COVID-19 Infectious Diseases COVID-19 Symptoms Disease Surveillance Global Health Disease Monitoring Disease Spread COVID-19 Vaccines Epidemiology Monitoring

NB.1.8.1 Variant Now Accounts for Over a Third of U.S. COVID Cases

Health authorities warn of a potential summer surge with vaccine recommendations shifting toward higher-risk populations.

Nimbus Variant Becomes Second-Most Common COVID-19 Strain in U.S.

COVID Variant NB.1.8.1 Rapidly Overtakes Other Strains Worldwide

New COVID-19 Variant NB.1.8.1 Reaches Multiple U.S. States as Vaccine Guidelines Change

India Intensifies COVID-19 Surveillance as Southeast Asia Faces Variant-Driven Surge