- adeno-associated virus (AAV)
- adenovirus
- African green monkeys, vervet monkeys (Chlorocebus)
- avian leukosis virus (ALV)
- avian myeloblastosis virus (AMV)
- baboons (Papio)
- bacteriophage
- B cell
- bone marrow
- bovine leukemia virus (BLV)
- breast cancer
- canarypox virus (CNPV)
- cats
- Cercopithecus monkeys (guenons)
- chicken
- chimpanzee (Pan troglodytes)
- chlamydia
- colobus monkeys, black-and-white colobus
- colon cancer
- cows
- cytomegalovirus (CMV)
- cytoplasm
- De Brazza's monkey (Cercopithecus neglectus)
- dendritic cell
- dengue virus
- Dictyostelium discoideum
- dogs
- Drosophila
- E. coli
- Ebola
- Epstein-Barr virus (EBV)
- equine infectious anemia virus (EIAV)
- feline immunodeficiency virus (FIV)
- feline leukemia virus (FeLV)
- feline sarcoma virus (FeSV)
- Flavivirus
- foot and mouth disease virus (FMDV)
- Genes
- ABL
- APC
- AXIN
- BACH2
- CCR5-Δ32
- EGFR
- env
- ErbB
- gag
- JUN
- kissing stem-loop
- Kozak consensus sequence
- lacZ
- LTR (long terminal repeat)
- major histocompatibility complex (MHC)
- MKL2
- Myc
- nef
- oncogene (onc)
- pol
- Ras
- reading frame, open reading frame
- rev
- rex
- src
- tat
- tax
- three prime untranslated region (3'-UTR)
- transposon
- vif
- vpr
- vpu
- vpx
- Wnt gene family (int1, Wingless, etc.)
- gibbon ape leukemia virus (GaLV)
- gorilla
- H9 (HuT 78) cell line
- HeLa
- hemophilia
- hepatitis
- herpesviruses
- heterosexual transmission of HIV
- HIV-1 Bru strain
- HIV-1 Lai strain
- HIV-1 MN strain
- horse
- HTLV (human T-lymphotropic virus)
- HuT-102 cell line
- influenza
- Kaposi's sarcoma (KS)
- Kaposi's sarcoma-associated herpesvirus (KSHV, HHV-8)
- koala
- lactobacillus
- lar gibbon (Hylobates lar)
- leukemia and lymphoma
- lupus
- lymphadenopathy
- lymphatic system (lymph, lymph nodes, etc.)
- lymphedema
- lymphocyte
- macaque, rhesus macaque
- macrophage
- malaria, Plasmodium
- mandrill (Mandrillus sphinx)
- measles
- MERS (Middle East respiratory syndrome)
- mice
- mitochondria
- monocyte
- mosquito
- mother-to-child transmission of HIV
- mouse mammary tumor virus (MMTV)
- murine leukemia virus (MLV)
- Mycobacterium avium-intracellulare infection (MAI)
- mycoplasma
- neurological symptoms of AIDS
- New World monkeys (platyrrhini)
- non-human primates
- Old World monkeys (Cercopithecidae, Catarrhini)
- papillomavirus
- parvovirus
- Pneumocystis pneumonia (PCP)
- polio, polio vaccine
- prions
- prototype foamy virus (PFV)
- quail
- rabbit
- red-capped mangabey, collared mangabey (Cercocebus torquatus)
- red colobus monkeys (Piliocolobus)
- rhinovirus
- rotavirus
- Rous sarcoma virus (RSV)
- SARS (Severe acute respiratory syndrome)
- scrapie
- sheep
- simian foamy virus (SFV)
- simian-human immunodeficiency virus (SHIV)
- simian immunodeficiency virus (SIV)
- simian sarcoma virus (SSV)
- sooty mangabey (Cercocebus atys)
- STLV (Simian-T-lymphotropic virus)
- T cells — CD4+ (helper T cell) and CD8+ (cytotoxic/killer T cell)
- tobacco mosaic virus (TMV)
- toxoplasmosis, toxoplasma gonii
- tuberculosis (TB)
- vaccinia
- vagina
- Venezuelan equine encephalitis virus (VEE)
- vesicular stomatitis virus (VSV)
- Visna-maedi virus (VMV)
- Wegener's granulomatosis/granulomatosis with polyangiitis
- West Nile virus, West Nile fever
- xenopus (clawed frog)
- XMRV xenotropic murine leukemia virus–related virus
- Zika