The patient had recently returned to Maryland after traveling to El Salvador. The risk to public health in the US is very low ...

A human case of a flesh-eating screwworm has been confirmed in Maryland, the first in the United States in years, according ...

The United States eradicated New World screwworms, a blue-grey blowfly, in the 1960s. These parasites can cause infestations in warm-blooded animals, and, rarely, humans, which can be extremely ...