COVID-19 cases are rising in half of US states. Is this the start of a summer wave? What to know about COVID trends and the new Stratus and Nimbus variants.

Kennedy Jr. has downplayed the effectiveness of the long-used vaccine and instead promoted the development of new treatments for the virus.

West Nile virus has been detected near a park in Northeast Philadelphia, the Department of Health announced Friday.

West Nile virus has been detected in a goat in Lunenburg, becoming the first confirmed case in an animal in 2025 and raising the risk of infection across multiple Worcester County communities, the Massachusetts Department of Public Health (DPH) said on Tuesday.

By Carole Tanzer Miller HealthDay ReporterTHURSDAY, July 17, 2025 (HealthDay News) — Florida virologist John Lednicky couldn’t have a more devoted research partner than his sleek black house cat Pepper.

Health officials in Kerala have confirmed that a student of class 9 in a school in Kollam has tested positive for H1N1 influenza, commonly referred to as swine flu. The announcement followed an increase in reported symptoms among students,

Craig Nolte died on July 3 after a "very quick case of lyssavirus," his wife Robyn Nolte said on Facebook on Tuesday, July 15. He was the first confirmed case of the deadly and untreatable virus in New South Wales,

The man's illness was found during monitoring contacts of his father who recently died from a Nipah infection.