Seresto pet collars under EPA review, but the fight over their safety could take years

More than a decade ago, nonprofit Natural Resources Defense Council petitioned the EPA to ban the use of a pesticide called tetrachlorvinphos in pet products like flea and tick collars. The organization cited studies showing that the chemical, a possible carcinogen, had been linked to brain and nerve damage in children.

House subcommittee seeks voluntary recall of Seresto flea and tick collars

A Congressional subcommittee has asked Elanco to voluntarily recall its Seresto flea and tick collars, following a March 2 Midwest Center for Investigative Reporting and USA TODAY story on thousands of incident reports about pet and human harm linked to the use of the collar.