CDC Yellow Book
- Naegleria fowleri
- NAFSA [table]
- nalidixic acid
- natalizumab (Tsabri) [table]
- National Center for Missing & Exploited Children
- National Import Export Services
- Nauru
- neomycin
- neonatal tetanus
- neurologic angiostrongyliasis
- neurotoxic shellfish poisoning
- new arrival health assessments
- New Caledonia (France)
- New Zealand
- Ngorongoro Crater
- nifurtimox
- Nipah virus
- nitazoxanide
- nitrogen narcosis
- Niue (New Zealand)
- nivolumab (Opdivo) [table]
- nodular lesions
- nonfreezing cold injuries
- noninfectious diseases, screening for
- nontyphoidal salmonellosis
- Norfolk Islands (Australia)
- North Asia tick typhus [table]
- Northern Mariana Islands (US)
- Norway
- Nulojix (belatacept) [table]
- nutrition management, diarrhea and