While exposure to hantavirus is rare, officials warned people should be careful around wild rodents because there is no cure or vaccine.

SAN DIEGO COUNTY, Calif. — San Diego County officials announced Monday that a deer mouse collected in Cuyamaca Rancho State Park has tested positive for hantavirus. The mouse, found on Jan. 3, 2025, ...

A deer mouse collected at the park on Jan. 3 tested positive for the virus. There were a total of 25 positive cases among ...