HPBC - hyperpiesia
- human chorionic somatomammotrophin
- Human chromosome count
- Human Development, National Institute of Child Health and (NICHD)
- human diploid cell vaccine
- human ecology
- human ehrlichiosis
- Human embryonic stem cell
- human endogenous retroviruses
- human engineering
- human enterovirus
- human factors
- human factors engineering
- Human Fertilization and Embryology Act 1990
- human flea
- Human gene map
- Human gene therapy
- Human genome
- Human Genome Initiative
- Human Genome Organisation
- Human Genome Project
- Human Genome Research Institute, National (NHGRI)
- Human Genome Project
- human granulocytic anaplasmosis
- human granulocytic ehrlichiosis
- human growth hormone
- human herpesvirus 1
- Human herpesvirus 1 (HHV-1)
- human herpesvirus 2
- Human herpesvirus 2 (HHV-2)
- human herpesvirus 3
- human herpesvirus 4
- human herpesvirus 5
- Human herpesvirus 6
- Human herpesvirus 7
- human herpesvirus 8
- Human herpesvirus 8 (HHV-8)
- human immunodeficiency virus
- human immunodeficiency virus infection
- human immunodeficiency virus
- human leucocyte antigen system
