| Biological Agent | Classification | Notes |
|---|---|---|
| Acathamoeba spp | 2 | A A |
| Ancylostoma duodenale | 2 | |
| Angiosirongylus cantonensis | 2 | |
| Angiostriongylus costaricensis | 2 | |
| Ascaris lumbriciodes | 2 | |
| Ascaris suum | 2 | |
| Babesia divergens | 2 | |
| Babesia microti | 2 | |
| Balantidium coli | 2 | |
| Blastocysiis homines | 2 | |
| Brugia spp | 2 | |
| Capillaria spp | 2 | |
| Clonorchis - see Opisthorchis | ||
| Cryptosporidium spp | 2 | |
| Cyclospora cayetanensis | 2 | |
| Cyclospora spp | 2 | |
| Dientamoeba fragilis | 2 | |
| Dipetalonea - see Mansonella | 2 | |
| Diphyllobothrium latum | 2 | |
| Dracunculus medinensis | 2 | |
| Echinococcus granulosus | 3 | |
| Echinococcus rnultilocularis | 3 | |
| Echinococcus vogeli | 3 | |
| Entamoeba histolytica | 2 | |
| Enterobius vermicularis | 2 | |
| Enterocytozoon bieneusi | 2 | |
| Fasciola gigantica | 2 | |
| Fasciola hepatica | 2 | |
| Fasciolopsis buski | 2 | |
| Giardia lamblia (Giardia intestinalis) | 2 | |
| Hymenolepis diminuta | 2 | |
| Hymenolepis nana | 2 | |
| lsopora belli | 2 | |
| Leishmania brasiliensis | 3 | |
| Leishmania donovani | 3 | |
| Leishmania major | 2 | |
| Leishmania tropica | 2 | |
| Leishmania spp | 2 | |
| Loa loa | 2 | |
| Mansonella ouardi | 2 | |
| Mansonella perstans | 2 | |
| Mansonella streptocerca | 2 | |
| Naegleria fowleri | 3 | |
| Necator americanus | 2 | |
| Onchocerca volvulus | 2 | |
| Opisthorcis sinensis (Chlonorchis sinensis) | 2 | |
| Opisthorchis viverrini (Clonorchis viverrini, | 2 | |
| Opisthorchis felineus | 2 | |
| Opisthorchis spp | 2 | |
| Paragonimus spp | 2 | |
| Plasmodium falciparum | 3 | |
| Plasmodium spp (human & simian) | 2 | |
| Sarcocystis suihominis | 2 | |
| Schistosoma spp | 2 | |
| Strongyloides spp | 2 | |
| Taenia saginata | 2 | |
| Taenia solium | 3 | |
| Toxocara canis | 2 | |
| Toxocara catj | 2 | |
| Toxoplasma gondii | 2 | |
| Trichinella nativa | 2 | |
| Trichinella nelsoni | 2 | |
| Trichinella pseudospiralis | 2 | |
| Trichinella spiralis | 2 | |
| Trichomonas vaginalis | 2 | |
| Trichostrongylus orientalis | 2 | |
| Trichostrongylus spp | 2 | |
| Trichuris trichiura | 2 | |
| Trypanosoma | 2 | |
| Tryposoma | 2 | |
| Trypanosoma brucei rhodesiense | 3 | |
| Trypanosoma | 3 | |
| Trypanosoma | 2 | |
| Wuchereria | 2 |