Compare the different protozoans. PARASITE SOURCE OF INFECTION MODE OF TRANSMISSION CHARACTERISTIC MANIFESTATION Entamoeba histolytica         Naegleria sp.         Acanthamoeba sp.         Giardia lamblia         Trichomonas vaginalis         Trypanosoma cruzi         Trypanosoma brucei         Leishmania donovani         Toxoplasma gondii         Plasmodium falciparum

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