Screwworm: Why is this flesh-eating parasite making a comeback?

A resurgence of the screwworm parasite in Central America could have a devastating impact on livestock farming, and poses a threat to humans and wildlife too

​A resurgence of the screwworm parasite in Central America could have a devastating impact on livestock farming, and poses a threat to humans and wildlife too A resurgence of the screwworm parasite in Central America could have a devastating impact on livestock farming, and poses a threat to humans and wildlife too