Disease Transmission

Zoonotic Diseases Vector-Borne Diseases Infectious Diseases Contagious Diseases Viral Infections Modes of Transmission Human-to-Human Transmission Infectious Disease Spread Sexually Transmitted Infections Airborne Diseases

New York City Confirms First Case of More Severe Mpox Clade I Linked to Travel

Health officials are urging at-risk New Yorkers to get the two-dose JYNNEOS vaccine.

Ethiopia Confirms First Marburg Outbreak, WHO Releases Funds and Deploys Team

Extremadura Confirms Fourth West Nile Death as 2025 Cases Reach 22

Flu Season Guidance Urges Hygiene, Ventilation and Targeted Vaccination

CDC Panel Delays Vote on Hepatitis B Birth-Dose Policy as White House Pushes Changes

New Mexico Confirms Second Human Plague Case of 2025 in Bernalillo County

Chikungunya Outbreak in Verona and Veneto Triggers Event Halts and Travel Advice

ECDC Flags Ongoing Diphtheria Transmission Among Europe’s Vulnerable

First Autochthonous Chikungunya Case Confirmed in Metropolitan France

Nevada Confirms First Human Case of Bird Flu Linked to Dairy Cattle

Norovirus Cases Surge Across the U.S. in Winter Outbreak

Fifth Case of Mpox Clade 1b Confirmed in England

CDC Issues Alert After Severe Mpox Case Detected in California

WHO Revises Definition of Airborne Disease Transmission

Streptococcal Toxic Shock Syndrome Cases Surge in Japan