Outbreak History

Seoul Virus Infection

CDC assisted health officials in investigating an outbreak of Seoul virus infection that has infected 17 people in 7 states.

Yosemite National Park

As of November 1, 2012 the National Park Service (NPS) has announced a total of 10 confirmed cases of hantavirus infection in people who recently visited Yosemite National Park.

Tracking a Mystery Disease: The Detailed Story of Hantavirus Pulmonary Syndrome (HPS)

In May 1993, an outbreak of an unexplained pulmonary illness occurred in the southwestern United States, in an area shared by Arizona, New Mexico, Colorado and Utah known as “The Four Corners”.