Baby Chamaeleons, Taronga Zoo, Sydney, New South Wales, Australia

Chameleons are subject to several protozoan parasites, such as Plasmodium which causes malaria, Trypanosoma which causes sleeping sickness, and Leishmania which causes leishmaniasis.
Chameleons are subject to parasitism by coccidia, including species of the genera Choleoeimeria, Eimeria, and Isospora.