Health ❯ Risk Factors

Vulnerable Populations

Chronic Conditions Elderly Pregnant Women Older Adults Children and Elderly Children Chronic Illnesses Elderly Health Age-related Risks Elderly and Children

West Nile Cases Rise in New York City as Mosquito Pools Top 1,600

Expanded surveillance with targeted spraying aims to prevent further severe neuroinvasive illness in the absence of a vaccine.

Massachusetts Confirms Seventh West Nile Case and Illinois Reports Two Neuroinvasive Hospitalizations

Delhi Sees Sharp H1N1 Surge During Monsoon

Delhi Reports Nearly Sixfold Rise in H1N1 Cases

Vibrio vulnificus Confirmed in Strait of Messina as Coastal Cases Climb in Europe and the US

Nagpur Confirms First H1N1 Death as July Cases Surge

Producer Recalls Full Day’s Raw Sausages After EHEC Detected

Guggenheim Named Among 31 Upper East Side Buildings With Positive Legionella Tests

Powassan Virus Cases Reach Record High in the U.S.

WHO Says Hantavirus Spread Between People on MV Hondius

Texas Confirms First Human West Nile Case of 2026

Germany Recalls Enoki Mushrooms Sold at Go-Asia Over Listeria Risk

Argentina Reports Early‑2026 Rise in Meningitis Cases

LA County Sets Record for Flea-Borne Typhus as Health Officials Urge Prevention

Italy Confirms Europe’s First Human H9N2 Bird Flu Case

UKHSA Probes Legionnaires’ Cluster in North‑West and South‑West London

UKHSA Reissues Warning on Alcohol-Free Wipes Linked to Fatal Bacterial Outbreak

Flu Hospitalizations Stay High Across U.S. as H3N2 Subclade K Drives Season

Early Flu Surge Spurs NHS Vaccine Call as UK Cases Climb

L.A. County Confirms Third Local Clade I Mpox Case as Officials Probe Possible Community Spread