US monitoring 7 passengers from MV Hondius cruise ship across 5 states
CDC coordinating with Arizona, California, Georgia, Texas and Virginia to monitor returning American passengers for hantavirus symptoms.
NBC News
HANTAVIRUS NEWS — 2026
Latest hantavirus outbreak news, reports and updates from CDC, WHO, ProMED-mail and state health departments. Last updated:
WHO confirms Andes virus strain in MV Hondius cruise ship cluster
8 cases and 3 deaths linked to Dutch expedition ship. Andes virus is the only hantavirus known to spread person-to-person.
WHO
ECDC publishes assessment of hantavirus cluster on cruise ship
European Centre for Disease Prevention and Control issues recommendations for clinicians and public health authorities across EU/EEA.
ECDC
Hantavirus outbreak aboard cruise ship kills 3, sickens at least 8
CIDRAP confirms Andes strain via PCR. Contact tracing underway across multiple countries.
CIDRAP
San Diego County detects hantavirus-positive mouse in routine surveillance
No human cases reported. County vector control advises residents to seal entry points and avoid contact with wild rodents.
San Diego County
CDC annual summary: 38 HPS cases in 2025, fatality rate 34%
Twelve states reported cases in 2025. Arizona (6), New Mexico (7), and California (6) led the count.
CDC MMWR