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)

• African Trypanosomiasis (from Health Information for International Travel)
• African trypanosomiasis (from Division of Parasitic Diseases)

AIDS/HIV

• Acquired Immunodeficiency Syndrome (AIDS) (from Health Information for International Travel)
• The Immunocompromised Traveler
• Divisions of HIV/AIDS Prevention homepage

Altitude illness

• Altitude Illness (from Health Information for International Travel)

Amebiasis

• Amebiasis (from Health Information for International Travel)
• New Medication Approved for Treatment of Giardiasis and Amebiasis (Archived Highlight, originally released August 26, 2004)
• Safe Food and Water
• Amebiasis (from Division of Parasitic Diseases)

BSE ("mad cow disease") and nvCJD

• Bovine Spongiform Encephalopathy and Variant Creutzfeldt-Jakob Disease (from Health Information for International Travel)
• BSE (Bovine Spongiform Encephalopathy, or Mad Cow Disease)
• vCJD (Variant Creutzfeldt-Jakob Disease)

Campylobacter infections

• Campylobacter Infections (from Division of Bacterial and Mycotic Diseases)

Chagas’ disease (American trypanosomiasis)

• Chagas’ Disease (from Health Information for International Travel)
• Chagas’ disease (from Division of Parasitic Diseases)

Chickenpox (Varicella)

• Varicella (Chickenpox) (from Health Information for International Travel)
• Varicella Disease (Chickenpox) (from National Immunization Program)

Chikungunya Fever

• Chikungunya Fever (from Division of Vector-Borne Infectious Diseases)
• Chikungunya Fever Fact Sheet (from Division of Vector-Borne Infectious Diseases)
• MMWR: Update: Chikungunya Fever Diagnosed Among International Travelers --- United States, 2006
• Chikungunya fever in travelers: clinical presentation and course. (from Clinical Infectious Diseases, 2007)
• Chikungunya Virus in US Travelers Returning from India, 2006 (from Emerging Infectious Diseases, 2007)

Cholera

• Cholera (from Health Information for International Travel)
• Cholera (from Division of Bacterial and Mycotic Diseases)
  - Spanish fact sheet —Prevención del Cólera
  - Portuguese fact sheet—Preven?227;o da Cólera
• Technical Information on Cholera
• Safe Food and Water

Coccidioidomycosis

• Coccidioidomycosis (from Health Information for International Travel)
• Coccidioidomycosis (from Division of Bacterial and Mycotic Diseases)

Cryptosporidiosis (Cryptosporidium infection)

• Cryptosporidiosis (from Health Information for International Travel)
• Safe Food and Water
• You Can Prevent Cryptosporidiosis: A Guide for People with HIV Infection
• Preventing Cryptosporidiosis: A Guide to Water Filter and Bottled Water
• Cryptosporidiosis (from Divison of Parasitic Diseases)

Cyclosporiasis (Cyclospora infection)

• Cyclosporiasis (from Health Information for International Travel)
• Cyclospora infection (from Divison of Parasitic Diseases)

Dengue fever

• Dengue Fever (from Health Information for International Travel)
• CDC Dengue Fever homepage

Diarrhea

• Food and Water Precautions and Travelers' Diarrhea Prevention
• Travelers' Diarrhea (from Health Information for International Travel)
• Frequently Asked Questions About Travelers' Diarrhea (from Division of Bacterial and Mycotic Diseases)
• New Drug Approved for the Treatment of Travelers’ Diarrhea (Archived Highlight, originally released July 2004)

Diphtheria, tetanus, and pertussis

• Diphtheria, Tetanus, and Pertussis (from Health Information for International Travel)
• Diphtheria (from Division of Bacterial and Mycotic Diseases)
• Diphtheria (from National Immunization Program)
• Tetanus (from National Immunization Program)
• Pertussis (from Division of Bacterial and Mycotic Diseases)
• Pertussis (from National Immunzation Program)

E. coli (Escherichia coli) infection

• Frequently Asked Questions About Escherichia coli O157:H7 (from Division of Bacterial and Mycotic Diseases)
• Safe Food and Water

Encephalitis

• Japanese Encephalitis (from Health Information for International Travel)
• CDC Japanese Encephalitis homepage
• Tickborne Encephalitis (Spring-Summer Encephalitis) (from Health Information for International Travel)
• CDC Answers Your Questions About St. Louis Encephalitis (from Division of Vector-Borne Infectious Diseases)
• CDC Arbovirus Home Page
• See also West Nile virus infection

Filariasis

• Filariasis (from Health Information for International Travel)
• Lymphatic Filariasis (from Division of Parasitic Diseases)

Giardiasis (Giardia infection)

• Giardiasis (from Health Information for International Travel)
• Giardiasis (from Division of Parasitic Diseases)
• Safe Food and Water
• New Medication Approved for Treatment of Giardiasis and Amebiasis (Archived Highlight, originally released August 26, 2004)

Hantavirus

• All About Hantavirus

Head lice (pediculosis)

• Head lice (from Division of Parasitic Diseases)

Hepatitis

• Hepatitis A Virus (from Health Information for International Travel)
• Hepatitis B Virus (from Health Information for International Travel)
• Hepatitis C Virus (from Health Information for International Travel)
• Hepatitis E Virus (from Health Information for International Travel)
• CDC Viral hepatitis homepage

Histoplasmosis

• Histoplasmosis (from Health Information for International Travel)
• Histoplasmosis (from Division of Bacterial and Mycotic Diseases)

HIV/AIDS
See AIDS/HIV

Influenza (flu)

• Influenza (from Health Information for International Travel)
• Current travel notices concerning avian influenza
• Official U.S. government website for pandemic influenza
• Preliminary Guidelines for the Prevention and Control of Influenza-Like Illness Among Passengers and Crew Members on Cruise Ships, August 1999 (981.00 KB, 22 pages)
• Influenza (comprehensive CDC site, including avian influenza)
• Amendment to Executive Order 13295: Quarantinable Communicable Diseases
  On U.S. White House site (Released April 4)
  • Questions and Answers on the Executive Order Adding Potentially Pandemic Influenza Viruses to the List of Quarantinable Diseases (Released April 11)

Japanese Encephalitis

• Japanese Encephalitis (from Health Information for International Travel)
• CDC Japanese Encephalitis homepage
• CDC Arbovirus Home Page

Legionellosis

• Legionellosis (Legionnaires' disease and Pontiac fever) (from Health Information for International Travel)
• Legionellosis (Legionnaires' disease and Pontiac fever) (from the Division of Bacterial and Mycotic Diseases)

Leishmaniasis (Leishmania infection)

• Leishmaniasis (from Health Information for International Travel)
• Leishmania infection (from Division of Parasitic Diseases)

Leptospirosis

• Leptospirosis (from Health Information for International Travel)
• Leptospirosis (from Division of Bacterial and Mycotic Diseases)

Lyme disease

• Lyme Disease (from Health Information for International Travel)
• CDC Lyme Disease Home Page

Malaria

• Malaria (from Health Information for International Travel)
• Information on Malaria Risk and Prophylaxis, by Country (from Health Information for International Travel)
• On the CDC Malaria site:
  • CDC malaria homepage
  • Guidelines for diagnosis and treatment (for clinicians)
  • Malaria and Travelers
  • Fact sheets
    • Prescription Drugs for Preventing Malaria (Information for the Public)
    • Prescription Drugs for Preventing Malaria (Information for Health Care Providers)
    • Preventing Malaria in the Pregnant Woman (Information for the Public)
    • Preventing Malaria in the Pregnant Woman (Information for Health Care Providers)
    • Preventing Malaria in Infants and Children (Information for the Public)
    • Preventing Malaria in Infants and Children (Information for Health Care Providers)
  • Brochure: Preventing Malaria in Travelers (PDF - 280 KB)
  • Poster: Visiting Friends and Family in India This Year?
    • Black and white (PDF - 628 KB)
    • Color, high resolution (PDF - 2.73 MB)
  • Poster: Visiting Friends and Family in Nigeria This Year?
    • Black and white (PDF - 900 KB)
    • Color, high resolution (PDF - 3 MB)
• Malaria Deaths Following Inappropriate Malaria Chemoprophylaxis—United States, 2001
• Medication Guide for Lariam (U.S. FDA Web site). See link to guide in page text
• Expert Meeting on Malaria Chemoprophylaxis, January 29-30, 2003: Record of the Proceedings (PDF - 219 KB)
• Malaria rapid diagnostic test approved for use in U.S. (on FDA site) (2007)

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

• Meningococcal Disease (from Health Information for International Travel) (includes map showing areas with frequent epidemics of meningococcal disease)
• Haemophilus influenzae Type b Meningitis and Invasive Disease (from Health Information for International Travel)
• Guidelines for the Management of Airline Passengers Exposed to Meningococcal Disease
  (Information for Health Care Providers)
• Meningococcal Disease (from Division of Bacterial and Mycotic Diseases)
• Meningococcal Disease (from National Immunization Program)
• Technical Information on Haemophilus influenzae Type b Disease
• Other CDC information on Haemophilus influenzae Type b

Norovirus infection (Norwalk/Norwalk-like virus infection)

• Norovirus infection (from Health Information for International Travel)
• Safe Food and Water

Onchocerciasis (river blindness)

• Onchocerciasis (River Blindness) (from Health Information for International Travel)
• Onchocerciasis / River Blindness (from Division of Parasitic Diseases)

Plague

• Plague (from Health Information for International Travel)
• CDC Plague Homepage

Poliomyelitis

• Poliomyelitis (from Health Information for International Travel)
• Poliomyelitis Prevention in the United States: Updated Recommendations of the Advisory Committee on Immunization Practices (ACIP) (HTM)
  PDF (236 KB)
• Poliomyelitis (from National Immunization Program)

Rabies

• Rabies (from Health Information for International Travel)
• Notice to Readers: Manufacturer's Recall of Human Rabies Vaccine -- April 2, 2004
• CDC Rabies Homepage
  • Temporary unavailability of rabies pre-exposure vaccination (Updated June 18, 2008)

Rickettsial Infections

• Rickettsial Infections (from Health Information for International Travel)

Rocky Mountain spotted fever

• CDC Rocky Mountain spotted fever homepage

Rotavirus

• Rotavirus (from the Division of Viral Diseases)

Salmonellosis (Salmonella infection)

• Salmonellosis (from Division of Bacterial and Mycotic Diseases)
• Salmonella enteritidis Infection Salmonella typhi infection (see typhoid fever below)
• Safe Food and Water

SARS (Severe Acute Respiratory Syndrome)

• CDC SARS site

Scabies

• Scabies (from Division of Parasitic Diseases)

Schistosomiasis

• Schistosomiasis (from Health Information for International Travel)
• Schistosomiasis (from Division of Parasitic Diseases)

Sexually Transmitted Diseases (STDs)
Also see hepatitis and AIDS/HIV

• Sexually Transmitted Diseases (STDs) (from Health Information for International Travel)

Shigellosis (Shigella infection)

• Shigellosis (from Division of Bacterial and Mycotic Diseases)
• Safe Food and Water

Smallpox

• Smallpox (from Health Information for International Travel)
• Emergency Preparedness and Response: Smallpox

Streptococcus pneumoniae (Pneumococcal) Disease

• Streptococcus pneumoniae (Pneumococcal) Disease (from Health Information for International Travel)

Tickborne Encephalitis

• Tickborne Encephalitis (Spring-Summer Encephalitis) (from Health Information for International Travel)
• CDC Arbovirus Home Page

Tuberculosis (TB)

• Tuberculosis (from Health Information for International Travel)
• CDC-NCHHSTP-Division of Tuberculosis Elimination (DTBE) Homepage

Typhoid fever (Salmonella typhi)

• Typhoid Fever (from Health Information for International Travel)
• Typhoid Fever (from Division of Bacterial and Mycotic Diseases)
• Typhoid Drug Resistance: India, Nepal (Travel Notice, March 22, 2006)
• Study Finds Typhoid Vaccine Could Benefit Short-term Travelers (August 24, 2004)
• Safe Food and Water

Vibrio parahaemolyticus

• Vibrio parahaemolyticus infection (from Division of Bacterial and Mycotic Diseases)

Viral Hemorrhagic Fevers
(e.g., Ebola, Lassa, Marburg, Rift Valley)

• Viral Hemorrhagic Fevers (from Health Information for International Travel)
• Viral Hemorrhagic Fevers (subsite, from Division of Viral and Rickettsial Diseases)

West Nile virus

• CDC West Nile Virus Infection homepage

Yellow fever

• Yellow Fever Vaccine Requirements, by Country (from Health Information for International Travel)
• Yellow Fever Disease and Vaccine Information (from Health Information for International Travel)
• CDC Yellow Fever Home Page
• Authorized U.S. yellow fever vaccine centers
• Yellow Fever Vaccine Risk and Updated Yellow Fever Vaccine Information Statement (VIS) (2004)
• Reported Rare Adverse Events in Recipients of Yellow Fever Vaccine (Updated 2004)

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