Although it's unclear why it's so, scientists at Johns Hopkins have linked a gene that allows for the chemical breakdown of the tough, protective casing that houses insects and worms to the severe ...

Oestrus ovis, a cosmopolitan dipteran parasite commonly known as the sheep nose botfly, is responsible for oestrosis in small ruminants and ophthalmomyiasis in humans. In sheep and goats, the larvae ...

"The epithelial cells lining the nasal and sinus cavities play an important role as first responders of the immune system," he says. "But when they are distracted fighting non-existent parasites, they ...