A big cat sanctuary in Washington is temporarily closed and quarantined after bird flu killed 20 wild cats there, including cougars, bobcats and a tiger.

Twenty big cats, including a half-Bengal tiger and four cougars, died between late November and mid-December at a sanctuary in Washington State after becoming infected with bird flu, according to the facility’s director.

Experts and some public officials are warning against raw pet foods after a cat in Oregon was found to have died from a product contaminated by bird flu. The maker of that cat food, Northwest Naturals,