Federal health officials are warning that certain lots of raw cat food may be contaminated with H5N1 bird flu after a pet cat in San Francisco that ate the food became infected with the virus and had to be euthanized.

The U.S. Food and Drug Administration said Wednesday that two lots of RAWR Raw Cat Food Chicken Eats tested positive for the virus. Analysis by San Francisco health department officials showed that the same strain of the H5N1 virus was present in the pet food and in the cat that died.

The incident is the first reported case of an H5N1 infection from raw food in pet cats since March. Dozens of domestic cats, including nearly 70 this year , have been infected with H5N1, according to the U.S. Agriculture Department. Many of the animals became infected after consuming r

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