Litter bug

By Tia Ghose Litter bug Toxoplasma gondii protozoan, colored transmission electron micrograph (TEM) © Dr. Klaus Boller / Photo Researchers, Inc. When Melissa Miller, a veterinarian at the Department of Fish and Game in Santa Cruz, wrote an International Journal of Parasitology paper describing how a cat parasite that causes brain lesions was reaching Central California’s sea otters in 2002, she also put out a press release. Reporters were intrigue

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When Melissa Miller, a veterinarian at the Department of Fish and Game in Santa Cruz, wrote an International Journal of Parasitology paper describing how a cat parasite that causes brain lesions was reaching Central California’s sea otters in 2002, she also put out a press release. Reporters were intrigued. After all, how could Toxoplasma gondii, which usually infects cats, be killing animals at sea?

A journalist heard a possible explanation from a scientist at a nearby aquarium: kitty litter could pass on the parasite to sea otters through sewage emptying into the ocean. Miller was doing a sea otter autopsy and couldn’t be reached for comment. The reporter, on deadline, ran with the story.

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