The highly contagious rabbit hemorrhagic disease virus 2 (RHDV2) has devastated wild and domestic rabbit populations. A new vaccine, now available in over 40 U.S. states, offers protection and has prompted clinics to hold drive-through vaccination clinics—some administering over 170 doses in a single event. Veterinarians raced to save doses during storms, demonstrating the urgency. Herd immunity efforts, including vaccinations at wildlife refuges for endangered species, are underway. The disease poses a significant threat not just to pets, but to wild lagomorph biodiversity, raising conservation and public health concerns.

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