veterinary

The FDA Is Fighting a Flesh-Eating Parasite We Eradicated in 1966 With a Flea Pill From 2000

Nitenpyram was approved in 2000 to kill fleas. It is now the emergency tool against a parasite the United States wiped out in 1966, after the sterile-fly barrier that kept the screwworm out was breached in 2023.