Health ❯ Epidemiology ❯ Disease Surveillance

Variant Tracking

Genomic Sequencing Global Spread JN.1 Variant NB.1.8.1 CDC Reports Omicron Sublineages Transmissibility UK Health Safety Agency Viral Infections Nimbus Variant International Travel and Variants Influenza Variants Public Health Methods International Cases SARS-CoV-2 Omicron Sub-variants INSACOG Data Impact Assessment CDC and WHO Monitoring Omicron Variants Public Response Genetic Mutations Nimbus Variant Tracking COVID-19 Variants NB. 1.8.1 WHO Recommendations XEC Variant XFG Variant Surveillance BA.3.2 Variant Testing and Positivity Rates Geographic Spread BA.3.2 Monitoring Mpox Variants Omicron Variant

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

Health authorities recommend updated vaccinations to curb spread since WHO warns that forthcoming guidance may limit vaccine access