CDC Yellow Book
- GAC (granular-activated carbon)
- ganciclovir
- gaogan bingfang
- garlic
- gastrointestinal disease, chronic [table]
- gastrointestinal parasites, screening for
- gates, airport
- gender identity
- generalized tetanus
- Georgia
- Gibraltar (UK)
- Gilenya (fingolimod) [table]
- ginger
- glatiramer acetate (Copaxone) [table]
- Gleevec (imatinib mesylate, STI 571) [table]
- Global TravEpiNet (GTEN)
- gnathostomiasis
- goldenseal
- golimumab (Simponi) [table]
- Grand Magal of Touba [table]
- granular-activated carbon (GAC)
- granuloma inguinale [table]
- grapefruit seed extract
- Greenland (Denmark)
- Grenada
- griot
- group A streptococcus [table]
- GTEN (Global TravEpiNet)
- Guadeloupe
- Guatemala
- Guillain-Barré syndrome