Humań Stages

Tsetse fly Stages

Procydic trypomastigotes

leave the midgut and transform into epimastigotes

A= lnfective Stage A- Diagnostic Stage

http.7/www.dpd.cdc.gov/dpdx


Epimastigotes multipły in salivary gland. They transform mto metacycltc trypomastigotes.

O

Bloodstream trypomastigotes transform into procyclic trypomastigotes in tsetse ft/s midgut. Procyclic tryposmatigotes multipły by binary fission.

O Tsetse fly takes a blood meal

(iiyects mwacycic trypomasbg«es)

Injected metacydic trypomastigotes transform Q into bloodstream

trypomastigotes. which are carried to other sites.