The next paragraph mentions human equivalent items:
> The feline passive samplers—similar to a rabies tag—are produced out of the same material used in the silicone wrist bands invented in Anderson's lab for measuring exposure to environmental chemicals in humans, including after Hurricane Harvey in Houston in 2017.
> The feline passive samplers—similar to a rabies tag—are produced out of the same material used in the silicone wrist bands invented in Anderson's lab for measuring exposure to environmental chemicals in humans, including after Hurricane Harvey in Houston in 2017.