Some enterprising filarial worms, having worked their way up into his eyeballs, started making him blind, and he grew very gaunt and miserable.

The hideously deformed feet of podo result not from mosquito-borne parasitic worms, as does filarial elephantiasis, nor from bacteria, like leprosy.

Chapters on development, anatomy, dissection, malarial parasites, filarial disease, yellow fever.