Information for travelers about specific diseases which can affect them while traveling. Note: For travel recommendations by specific regions, please see Destinations.
African sleeping sickness (African trypanosomiasis)
AIDS/HIV
Altitude illness
Amebiasis
BSE ("mad cow disease") and nvCJD
Campylobacter infections
Chagas’ disease (American trypanosomiasis)
Chickenpox (Varicella)
Chikungunya Fever
Cholera
Coccidioidomycosis
Cryptosporidiosis (Cryptosporidium infection)
Cyclosporiasis (Cyclospora infection)
Dengue fever
Diarrhea
Diphtheria, tetanus, and pertussis
E. coli (Escherichia coli) infection
Encephalitis
Filariasis
Giardiasis (Giardia infection)
Hantavirus
Head lice (pediculosis)
- Head lice (from Division of Parasitic Diseases)
Hepatitis
Histoplasmosis
Influenza (flu)
Japanese Encephalitis
Legionellosis
Leishmaniasis (Leishmania infection)
Leptospirosis
Lyme disease
Malaria
Measles, mumps, and rubella (MMR)
- Measles (Rubeola) (from Health Information for International Travel)
- Mumps (from Health Information for International Travel)
- Rubella (German measles) (from Health Information for International Travel)
- Measles (from National Immunization Program)
- Mumps (from National Immunization Program)
- Rubella (from National Immunization Program)
Meningitis
Norovirus infection (Norwalk/Norwalk-like virus infection)
Onchocerciasis (river blindness)
Plague
Poliomyelitis
Rabies
Rickettsial Infections
Rocky Mountain spotted fever
Rotavirus
- Rotavirus (from the Division of Viral Diseases)
Salmonellosis (Salmonella infection)
SARS (Severe Acute Respiratory Syndrome)
Scabies
- Scabies (from Division of Parasitic Diseases)
Schistosomiasis
Sexually Transmitted Diseases (STDs)
Also see hepatitis and AIDS/HIV
Shigellosis (Shigella infection)
Smallpox
Streptococcus pneumoniae (Pneumococcal) Disease
Tickborne Encephalitis
Tuberculosis (TB)
Typhoid fever (Salmonella typhi)
Vibrio parahaemolyticus
Viral Hemorrhagic Fevers
(e.g., Ebola, Lassa, Marburg, Rift Valley)
West Nile virus
Yellow fever