Health ❯ Epidemiology

Disease Spread

Contagious Diseases Global Health Variant Tracking Transmission Methods Transmission Infection Rates COVID-19 Variants Geographic Distribution COVID-19 Variants

CDC and WHO Track 'Cicada' COVID Variant as Detections Spread in the U.S. and Abroad

Health agencies are intensifying genomic and wastewater tracking to gauge risks flagged by lab studies.

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

Pfizer, Valneva Seek Approval for Lyme Vaccine After >70% Efficacy in Phase 3

Washtenaw County Flags Fourth Suspected Measles Case as Officials List New Exposure Sites

New York City Confirms First Mpox Clade I Case Linked to International Travel

WHO Confirms Fatal Nipah Case in Bangladesh as West Bengal Cluster Stays Contained

CDC Signals Second Flu Peak as Pediatric Deaths Reach 52

South Carolina Measles Outbreak Jumps to 558 as U.S. Elimination Status Is at Risk

Measles Alerts Issued for Philadelphia and Maryland Transit Hubs as Georgia Confirms First Infant Case of 2026

Italy Nears Peak of Respiratory Illness Wave Driven by H3N2 Subclade K

Adenovirus in the Spotlight as UK Data Show Decline in Cases

Catalonia Extends Mask Rule in Hospitals and Care Homes by 15 Days as Flu Wave Persists

France’s Flu Epidemic Forecast to Peak at Christmas as Hospitals Brace for Heavy Demand

WHO Reports Early Flu Surge Across Europe Driven by A(H3N2) Subclade K

Norovirus Activity Climbs Nationwide as LA County Wastewater Signals Surge

UK Flu Wave Driven by H3N2 K Variant Pushes Daily Hospitalisations Past 2,600

UK Confirms Recombinant Mpox Case Mixing Clade I and II

GP Outlines How to Tell Covid From a Cold or Flu This Winter