Health ❯ Epidemiology ❯ Disease Surveillance

Outbreak Investigation

Laboratory Testing Cooling Towers Case Reporting Contact Tracing Democratic Republic of the Congo Public Health Response Central Harlem UK Health Security Agency Bird Flu Cases West Nile Virus Cases

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.

Mexico’s 2025 Measles Outbreak Reaches 6,050 Cases and 24 Deaths

Ethiopia Confirms First Marburg Outbreak With Nine Cases in Omo

EHEC Outbreak in Mecklenburg‑Vorpommern Grows to 49 Cases as HUS Complications Rise

Harlem Legionnaires’ Outbreak Reaches 108 Cases, 5 Deaths as City Finishes Cooling-Tower Cleanup

One Dead as London, Ontario, Enters Second Legionnaires’ Outbreak in Two Years

Sydney Legionnaires’ Toll Rises to 15 Cases and One Death

Investigators Link Unnamed Supermarket Item to 95 Hepatitis A Cases in UK

UK’s Rare Salmonella Saintpaul Outbreak Appears Contained as Source Investigation Continues

Suspected Norovirus Outbreak Sickens 144 in Bavarian Restaurant

Cryptosporidium Outbreak at Welsh Farm Sickens 74, Hospitalizes 16

UKHSA Reports 28 Listeriosis Deaths in 2024, Issues New Warnings for Vulnerable Groups

Sydney Issues Health Alert as Legionnaires' Disease Outbreak Hospitalizes Six

Russia Denies Mystery Virus Claims as Public Anxiety Grows

West Nile Virus Claims Lives as Cases Surge Across the U.S.

Listeria Outbreak Linked to Deli Meats Claims Two Lives Across 12 States