Two people in New Jersey have died of West Nile virus, state health officials announced Friday. The deaths were two of six new positive cases of WNV tallied by the New Jersey Health Department.

U.S. health officials are warning travelers about a potentially deadly insect-borne virus known as sloth fever that has infected 21 U.S. residents returning from Cuba and thousands more in South ...

More than 8,000 cases of Oropouche virus have been reported this year as of August 1. Most have been in South America, but infections are also spreading in countries where it hasn’t been seen ...

A variant of the rustrela virus-- related to the wider-known rubella virus which causes a skin rash in humans -- called RusV was discovered in a female mountain lion in Douglas County, Colorado ...

A rare but potentially lethal mosquito-borne virus has prompted nearly a dozen towns in the US to close public parks at night and restrict outdoor activities, when mosquitoes are most active.

A mutation on the spike protein of the virus that causes COVID-19 could help it infect the brain by forcing it to use a cellular "back door." SARS-CoV-2, the virus that causes COVID-19 ...

Update: The US Centers for Disease Control and Prevention said 27 August that more than 20 US travelers returning from Cuba have been identified as having Oropouche virus. Once confined to the ...

A terrifying virus that causes pets to stagger and die has spread to a new part of the world. Researchers announced the discovery of a rustrela virus (RusV) variant in a wild mountain lion in ...

News that Anthony Fauci, long-time former head of the National Institute of Allergy and Infectious Diseases, is recovering from a bad bout of West Nile virus fever throws a spotlight on a disease ...

Chikungunya is a virus (CHIKV) spread by bites from infected mosquitoes. Outbreaks have occurred in most areas of the world, including the Americas, Asia, Africa, Europe, and islands in the Indian and ...

The previous day, the WHO had declared the mpox virus a public health emergency of international concern. So while Hans Kluge, the WHO regional director for Europe, rejected the notion that mpox m ...