Overview
- Laboratory testing confirms infections in at least 16 northern elephant seals, plus a southern sea otter and a California sea lion near Año Nuevo.
- Reserve officials report about 47 elephant seal deaths since the outbreak began, with new symptomatic and dead animals found daily.
- Cases remain concentrated in San Mateo County, though carcasses have been detected on public beaches slightly north and south of the park.
- Roughly 60 marine mammals have been tested to date, and researchers anticipate more positives as coastal surveillance continues.
- Response measures include closed viewing areas and canceled tours at Año Nuevo, a pause on elephant seal rescues by the Marine Mammal Center, and public advisories to avoid wildlife and report strandings to NOAA’s hotline.