Virology

Pathogens Virus Transmission Virus Variants Influenza Viruses Zoonotic Diseases Virus Mutation Infectious Diseases Viral Infections Epidemiology Coronaviruses

CDC Pauses Dozens of Disease Tests, Including Rabies and Poxvirus Panels

Officials call the halt a temporary quality review, prompting concern about surveillance gaps after deep lab staffing losses.

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

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

Japan Confirms H5N1 Outbreak at Hokkaido Poultry Farm, Orders Culling of 190,000 Chickens

Wisconsin Confirms First 2026 H5N1 Case in Jefferson County Poultry Flock

Spain Notifies WHO of Suspected Person-to-Person A(H1N1)v Case in Catalonia

Catalonia Confirms Human H1N1 Swine Flu Case in Lleida

Netherlands Declares Influenza Epidemic as H3N2 Becomes Dominant

Study Finds West Nile Virus Now Established in Austria After Record 2024 Cases

H5N1 Bird Flu Confirmed in Chennai Crows as Tamil Nadu Orders Statewide Vigilance

Experts Warn Orthopoxviruses Could Exploit Post-Smallpox Immunity Gap

Pakistan Declares Airport Emergency as Asia Tightens Checks After Contained Nipah Cluster in India

WHO Rates Nipah Spread Risk Low After Two Cases in India

WHO Says Risk of Nipah Spread Is Low as India Contains Two-Case Cluster

Chemnitz Shuts Tierpark Through Monday Over Suspected Bird Flu

India Confirms Two Nipah Cases in West Bengal as WHO Rates Cross-Border Risk Low

Tucumán and Cusco Confirm First Local Cases of Influenza A H3N2 Subclade K

India Confirms Two Nipah Cases in West Bengal as Asian Airports Tighten Screening

Rospotrebnadzor Seeks Official Data From Thailand on Reported Coxsackie-Like Illness at Khao Lak Hotel

West Bengal Confirms Nipah Cluster With Two Infected Nurses as Asia Tightens Screening