Plasmodium malariae

Plasmodium malariae

P. malariae is the causative agent malariae malaria or quartan malaria.

Plasmodium falciparum

Plasmodium falciparum

P. falciparum causes falciparum malaria or malignant tertian and is the most virulent of Plasmodium species infecting humans. Almost all the serious forms of malaria, as well as the majority of malaria deaths, are caused by this parasite.

Plasmodium vivax

Plasmodium vivax

Plasmodium vivaxP. vivax is the causative agent of benign tertian or vivax malaria. The characteristic of this type of malaria is the occurrence of true relapses.

Trypanosoma brucei complex

Trypanosoma brucei complex

The Trypanosoma brucei complex consists of three species of parasites - Trypanosoma brucei brucei, Trypanosoma brucei gambiense, and Trypanosoma brucei rhodesiense. They are morphologically indistinguishable.

Trypanosoma cruzi

Trypanosoma cruzi

Trypanosoma cruzi are flagellated protozoa causing a zoonotic disease called Chagas’ disease or South American trypanosomiasis and commonly occurs in South American countries.

Leishmania braziliensis Complex, Leishmania mexicana Complex

Leishmania braziliensis Complex, Leishmania mexicana Complex

Leishmania braziliensis Complex and Leishmania mexicana Complex cause New World cutaneous and mucocutaneous leishmaniasis. The lesions may vary from a single localized ulcer in the skin to spreading lesions such as espundia.

Leishmania tropica complex

Leishmania tropica complex

Leishmania tropica complex includes species such as L. tropica, L. major, and L. aethiopica which causes Old World cutaneous leishmaniasis.

Leishmania donovani

Leishmania donovani

Leishmania donovani is protozoa causing the zoonotic infection called leishmaniasis. They are transmitted by the bite of an infected female sandfly during a blood meal to humans and other mammals.

Giardia intestinalis

Giardia intestinalis

Giardia intestinalis, also known as G. lamblia or G. duodenalis inhabits the intestinal tract of humans. They are the only intestinal parasitic flagellate known to cause both endemic and epidemic diarrhea in humans.

Trichomonas vaginalis

Trichomonas vaginalis

Trichomonas vaginalis is the simplest of all protozoan parasites as it has only one morphological form- the trophozoite form. Other important properties of the parasite include an anterior tuft of flagella, an undulating membrane with recurrent flagella, and an axostyle.