Health ❯ Public Health ❯ Infectious Diseases ❯ Covid-19

Variants

Heavily Mutated ‘Cicada’ COVID Variant Spreads Globally, Reaches at Least 25 U.S. States

Health agencies say its heavy spike‑mutation load raises immune‑evasion concerns.

UK Issues Fresh Covid Guidance as Stratus and Nimbus Variants Push Cases Higher

Stratus Covid Lineage Now Dominant in UK as Cases and Admissions Rise

Stratus Variant Drives California COVID Wave as FDA Limits New Vaccine to High-Risk Patients

Summer COVID-19 Wave Underway in 25 States Driven by Nimbus Variant

Nimbus COVID Variant Drives 55% of Cases in California

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