UCCE experts urge producers to monitor their animals for signs of the parasite, which has been moving north from Central and South America.

The New World screwworm, whose larva “screws” into the skin and can infect humans as well as livestock, will be here within four months, experts say Cara Lynn Shultz is a writer-reporter at PEOPLE.

The patient had traveled to Central America, where an outbreak of myiasis, an infection by screwworm larvae, has been ravaging livestock. By Alexa Robles-Gil In early August, a case of myiasis, an ...

“This is the first human case of travel-associated New World screwworm myiasis (parasitic infestation of fly larvae) from an ...