Infectious Disease The FDA Put an Emergency Label on a Zoetis Dog Pill for a Screwworm America Erased in 1966 Without a Single Drug
The sterile-fly barrier that kept the flesh-eating screwworm out of America for sixty years gave way, and Washington's answer has been a run of emergency drug authorizations, the newest for a Zoetis dog pill whose maker's own release cites no efficacy data against the parasite.
By Marcus Chen · August 14, 2026