- the bacterium Chlamydia trachomatis, which causes trachoma
- the bacterium Mycobacterium leprae, which causes leprosy
- the bacterium Mycobacterium ulcerans, which causes Buruli ulcer
- the bacterium Treponema pallidum subsp. pertenue, which causes yaws
- the protist Trypanosoma cruzi, which causes Chagas disease
- the protist Trypanosoma brucei, which causes African trypanosomiasis
- the protist Leishmania major, and related Leishmania species, which cause leishmaniasis
- the schistosome worm Schistosoma mansoni, which causes schistosomiasis
- the nematode worms Brugia malayi and Wuchereria bancrofti, which cause lymphatic filariasis
- the nematode worm Loa loa, which causes subcutaneous filariasis
- the nematode worm Onchocerca volvulus, which causes onchocerciasis
- the nematode worm Necator americanus, which causes soil-transmitted helminthiasis
- the Dengue virus, which causes Dengue fever
- the Rabies virus, which causes Rabies