Outbreak history on August 16

Historical outbreak-response milestones recorded on this calendar date, drawn from WHO Disease Outbreak News, CDC archives, and primary epidemiological literature.

• 2012

  Hantavirus

  Yosemite National Park hantavirus outbreak

  CDC and the National Park Service publicly notified visitors of the Curry Village tent cabins at Yosemite National Park about hantavirus exposure risk after a cluster of HPS cases among recent guests. The outbreak ultimately produced 10 cases and 3 deaths, prompted park-wide cabin remediation, and reached over 230,000 past visitors via the notification campaign.

Browse the full outbreak history calendar for milestones across all dates.