Black Flies 2025. Onchocerciasis, commonly known as “river blindness”, is caused by the parasitic worm onchocerca volvulus. Adapted from shannon burke’s 2008 novel, the story follows tye sheridan as young paramedic ollie cross, who dreams of going to medical school.

Ollie cross (tye sheridan, ready player one) is ready to do good. Symptoms include severe itching, disfiguring skin conditions, and.