SAN DIEGO COUNTY, Calif. — A deer mouse collected in routine monitoring Oct. 22 at the Los Vaqueros Group Horse Campground in Cuyamaca Rancho State Park has tested positive for the potentially deadly ...

Hantavirus is common in wild rodents, and deer mice are the main carriers of the virus in San Diego County. While people rarely come into contact with wild rodents, it is important to take basic ...

Just 16 days into 2026, there was a report of the first hantavirus detection of the year in California. Whilst it is not ...

For a mouse, survival often boils down to one urgent question: Flee or freeze? But the best strategy to avoid being snatched and eaten depends on which mouse you are asking. According to a new study ...

A deer mouse collected in Cuyamaca Rancho State Park earlier this month tested positive for hantavirus, a potentially deadly virus that can infect people, county officials said Monday. Officials said ...