H - organism

- H ducreyi - H heterophyes - H influenzae - H pylori - H.Pylori - H1N1 virus - H1N1-influenza A - H5-Influenza - H5n1-Influenza - HACEK bacterial group - Hacek group - Haemaphysalis longicornis - Haemophilus ducreyi - Haemophilus influenzae - Haemophilus vaginalis - Hafnia - hantavirus - hard ticks - Hay bacillus - HBV - HCV - head louse - Heartland phlebovirus - Heartland virus - Helicobacter - Helicobacter pylori - helminth - Hemolytic streptococci - Hemolytic streptococcus - Hemophilus ducreyi - Hemophilus influenzae - hemorrhagic fever virus - Hendra virus - Henipavirus - hepadnaviridae - hepatitis B virus - hepatitis C virus - hepatitis D virus - hepatitis E virus - hepatitis G virus; GB virus C (GBV-C) - Herpes hominis - Herpes simplex - Herpes simplex encephalitis - Herpes simplex type 1 - Herpes simplex type 2 - Herpes virus - herpesviridae - Herpesvirus - Heterophyes heterophyes - Heterophyes heterophyes (Intestinal Fluke) - Heterophyes heterophyes [intestinal fluke] - HHV-6 - HHV-7 - HHV-8 - Hirudinea (leeches) - Hirudo - Hirudo medicinalis - HIV infection during pregnancy - HIV infection in pregnancy - HIV-1 - HIV-2 - HIV1 infection during pregnancy - HIV1 infection in pregnancy - HMPV - hobo spider - hookworm (Ancylostoma duodenale) - hookworm (Necator americanus) - horse botfly - house dust mite - HPV - HSV - Hsv encephalitis - HSV-1 - HSV-2 - human bocavirus - human botflies - human flea - Human herpes virus - Human herpesvirus - human herpesvirus 1 - human herpesvirus 2 - human herpesvirus 3 - human herpesvirus 4 - human herpesvirus 5 - human herpesvirus type 6 - human herpesvirus type 7 - human herpesvirus type 8 - human immunodeficiency virus-1 - human immunodeficiency virus-2 (HIV-2) - Human metapneumovirus - Human papilloma virus - Human papillomavirus - human T-cell leukemia virus 1 - Human T-cell Lymphotrophic Virus 1 - Human T-cell Lymphotrophic Virus Type 1 - Human T-cell Lymphotrophic Virus, Type 1 - human T-lymphotropic virus 1 - human T-lymphotropic virus type-1 - hybrid virus - Hymenolepis diminuta (rat tapeworm) - Hymenolepis nana (dwarf tapeworm) - Hypoderma (cattle botflies)