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Story perspectives

Trial Vaccination for Seals Aims to Protect Endangered Species

9/10/2025

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Story summary
  • A trial to vaccinate six northern elephant seals began in July at the Marine Mammal Center in Sausalito, California.
  • Researchers plan to vaccinate endangered Hawaiian monk seals if the trial yields positive results.
  • Only 1,600 Hawaiian monk seals remain, mostly on remote islands.
  • Migrating birds pose a virus threat to Hawaii, heightening vaccination urgency.
  • NOAA will consult on vaccination decisions based on trial outcomes to protect vulnerable marine species.