Health ❯ Public Health ❯ Infectious Diseases ❯ COVID-19

Variants

California Monitors ‘Cicada’ COVID Variant Detected at Low Levels in Wastewater

Low vaccination among seniors leaves the state vulnerable to a possible summer rise.

‘Cicada’ COVID Variant Spreads Globally as Officials Track Its Rise

‘Cicada’ COVID Variant Found in 25 U.S. States as WHO Puts BA.3.2 Under Monitoring

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

‘Cicada’ COVID Variant BA.3.2 Detected in 25 U.S. States as Tracking Intensifies

CDC Tracks BA.3.2 COVID Variant With Heavy Spike Mutations as U.S. Detections Expand

Germany Sees Autumn COVID Uptick, With Lower Severity Than 2024

UK Steps Up Covid Advice as Stratus Variant Leads Early Autumn Rise

Argentina Reports Rapid Rise of 'Frankenstein' Covid Subvariant to Nearly One-Third of Sequenced Cases

Stratus and Nimbus Variants Fuel UK Covid Rise as Officials Renew Public Guidance

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

France Confirms Moderate Covid Resurgence as XFG Variant Dominates

NHS Expands Autumn Flu and COVID Vaccinations as Hospital Admissions Rise

UKHSA Renews Stay-Home Advice as Stratus and Nimbus Drive UK Covid Uptick

XFG Covid Variant Drives September Uptick as France Plans Oct. 14 Vaccinations

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

Stratus Covid Variant Now Dominant in UK as Cases Tick Up Ahead of Winter

Stratus (XFG) Now Dominant in UK and Ireland With Hoarseness Flagged as Early Symptom

Stratus Variant Becomes Germany’s Dominant Covid Lineage as Early September Cases Rise

Mexico Clears Updated COVID-19 Vaccines Targeting LP.8.1 for 2025–26 Season