"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 ...

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 ...