The World Factbook. 2008.
Major infectious diseases
| Country | Major infectious diseases |
| Afghanistan | degree of risk: high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne disease: malaria animal contact disease: rabies note: highly pathogenic H5N1 avian influenza has been identified in this country; it poses a negligible risk with extremely rare cases possible among US citizens who have close contact with birds (2008) |
| Angola | degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, typhoid fever vectorborne diseases: malaria, African trypanosomiasis (sleeping sickness) water contact disease: schistosomiasis (2008) |
| Argentina | degree of risk: intermediate food or waterborne diseases: bacterial diarrhea, hepatitis A water contact disease: leptospirosis (2008) |
| Bangladesh | degree of risk: high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A and E, and typhoid fever vectorborne diseases: dengue fever and malaria are high risks in some locations water contact disease: leptospirosis animal contact disease: rabies note: highly pathogenic H5N1 avian influenza has been identified in this country; it poses a negligible risk with extremely rare cases possible among US citizens who have close contact with birds (2008) |
| Belize | degree of risk: intermediate food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever vectorborne diseases: dengue fever and malaria water contact disease: leptospirosis (2008) |
| Benin | degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne diseases: malaria and yellow fever respiratory disease: meningococcal meningitis (2008) |
| Bhutan | degree of risk: intermediate food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne diseases: malaria water contact disease: leptospirosis (2008) |
| Bolivia | degree of risk: high food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever vectorborne diseases: dengue fever, malaria, and yellow fever water contact disease: leptospirosis (2008) |
| Botswana | degree of risk: high food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever vectorborne disease: malaria (2008) |
| Burkina Faso | degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne disease: malaria water contact disease: schistosomiasis respiratory disease: meningococcal meningitis note: highly pathogenic H5N1 avian influenza has been identified in this country; it poses a negligible risk with extremely rare cases possible among US citizens who have close contact with birds (2008) |
| Burma | degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne diseases: dengue fever and malaria water contact disease: leptospirosis animal contact disease: rabies note: highly pathogenic H5N1 avian influenza has been identified in this country; it poses a negligible risk with extremely rare cases possible among US citizens who have close contact with birds (2008) |
| Burundi | degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne disease: malaria (2008) |
| Cambodia | degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne diseases: dengue fever, Japanese encephalitis, and malaria note: highly pathogenic H5N1 avian influenza has been identified in this country; it poses a negligible risk with extremely rare cases possible among US citizens who have close contact with birds (2008) |
| Cameroon | degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A and E, and typhoid fever vectorborne diseases: malaria and yellow fever water contact disease: schistosomiasis respiratory disease: meningococcal meningitis animal contact disease: rabies (2008) |
| Central African Republic | degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne disease: malaria respiratory disease: meningococcal meningitis (2008) |
| Chad | degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne disease: malaria water contact disease: schistosomiasis respiratory disease: meningococcal meningitis (2008) |
| China | degree of risk: intermediate food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever vectorborne diseases: Crimean Congo hemorrhagic fever, Japanese encephalitis, and malaria water contact disease: leptospirosis animal contact disease: rabies note: highly pathogenic H5N1 avian influenza has been identified in this country; it poses a negligible risk with extremely rare cases possible among US citizens who have close contact with birds (2008) |
| Colombia | degree of risk: high food or waterborne diseases: bacterial diarrhea, hepatitis A vectorborne diseases: dengue fever, malaria, and yellow fever water contact disease: leptospirosis (2008) |
| Congo, Democratic Republic of the | degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne diseases: malaria, plague, and African trypanosomiasis (sleeping sickness) water contact disease: schistosomiasis animal contact disease: rabies (2008) |
| Congo, Republic of the | degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne disease: malaria and African trypanosomiasis (sleeping sickness) animal contact disease: rabies (2008) |
| Costa Rica | degree of risk: intermediate food or waterborne diseases: bacterial diarrhea and hepatitis A vectorborne diseases: dengue fever (2008) |
| Cote d’Ivoire | degree of risk: very high food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever vectorborne diseases: malaria and yellow fever water contact: schistosomiasis note: highly pathogenic H5N1 avian influenza has been identified in this country; it poses a negligible risk with extremely rare cases possible among US citizens who have close contact with birds (2008) |
| Croatia | degree of risk: intermediate food or waterborne diseases: bacterial diarrhea and hepatitis A vectorborne diseases: tickborne encephalitis note: highly pathogenic H5N1 avian influenza has been identified in this country; it poses a negligible risk with extremely rare cases possible among US citizens who have close contact with birds (2008) |
| Cuba | degree of risk: intermediate food or waterborne diseases: bacterial diarrhea and hepatitis A vectorborne diseases: dengue fever (2008) |
| Djibouti | degree of risk: high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A and E, and typhoid fever vectorborne disease: malaria note: highly pathogenic H5N1 avian influenza has been identified in this country; it poses a negligible risk with extremely rare cases possible among US citizens who have close contact with birds (2008) |
| Dominican Republic | degree of risk: high food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever vectorborne diseases: dengue fever and malaria water contact disease: leptospirosis (2008) |
| Ecuador | degree of risk: high food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever vectorborne diseases: dengue fever, malaria, and yellow fever water contact disease: leptospirosis (2008) |
| Egypt | degree of risk: intermediate food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever water contact disease: schistosomiasis note: highly pathogenic H5N1 avian influenza has been identified in this country; it poses a negligible risk with extremely rare cases possible among US citizens who have close contact with birds (2008) |
| El Salvador | degree of risk: high food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever vectorborne diseases: dengue fever water contact disease: leptospirosis (2008) |
| Equatorial Guinea | degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne disease: malaria (2008) |
| Eritrea | degree of risk: high food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever vectorborne disease: malaria (2008) |
| Estonia | degree of risk: intermediate food or waterborne diseases: bacterial diarrhea and hepatitis A vectorborne disease: tickborne encephalitis (2008) |
| Ethiopia | degree of risk: high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A and E, and typhoid fever vectorborne diseases: malaria respiratory disease: meningococcal meningitis animal contact disease: rabies water contact disease: schistosomiasis (2008) |
| Gabon | degree of risk: very high food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever vectorborne disease: malaria (2008) |
| Gambia, The | degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne diseases: dengue fever, malaria, Crimean-Congo hemorrhagic fever, and yellow fever water contact disease: schistosomiasis respiratory disease: meningococcal meningitis (2008) |
| Ghana | degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne diseases: malaria and yellow fever water contact disease: schistosomiasis respiratory disease: meningococcal meningitis note: highly pathogenic H5N1 avian influenza has been identified in this country; it poses a negligible risk with extremely rare cases possible among US citizens who have close contact with birds (2008) |
| Guatemala | degree of risk: intermediate food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever vectorborne disease: dengue fever and malaria (2008) |
| Guinea | degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne diseases: malaria and yellow fever water contact disease: schistosomiasis respiratory disease: meningococcal meningitis aerosolized dust or soil contact disease: Lassa fever (2008) |
| Guinea-Bissau | degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne diseases: malaria and yellow fever water contact disease: schistosomiasis respiratory disease: meningococcal meningitis (2008) |
| Guyana | degree of risk: high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne diseases: dengue fever and malaria water contact disease: leptospirosis (2008) |
| Haiti | degree of risk: high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A and E, and typhoid fever vectorborne diseases: dengue fever and malaria water contact disease: leptospirosis (2008) |
| Honduras | degree of risk: high food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever vectorborne diseases: dengue fever and malaria water contact disease: leptospirosis (2008) |
| Hungary | degree of risk: intermediate food or waterborne diseases: bacterial diarrhea and hepatitis A vectorborne diseases: tickborne encephalitis (2008) |
| India | degree of risk: high food or waterborne diseases: bacterial diarrhea, hepatitis A and E, and typhoid fever vectorborne diseases: chikungunya, dengue fever, Japanese encephalitis, and malaria animal contact disease: rabies note: highly pathogenic H5N1 avian influenza has been identified in this country; it poses a negligible risk with extremely rare cases possible among US citizens who have close contact with birds (2008) |
| Indonesia | degree of risk: high food or waterborne diseases: bacterial diarrhea, hepatitis A and E, and typhoid fever vectorborne diseases: chikungunya, dengue fever, and malaria note: highly pathogenic H5N1 avian influenza has been identified in this country; it poses a negligible risk with extremely rare cases possible among US citizens who have close contact with birds (2008) |
| Iran | degree of risk: intermediate food or waterborne diseases: bacterial diarrhea and hepatitis A vectorborne diseases: Crimean Congo hemorrhagic fever and malaria note: highly pathogenic H5N1 avian influenza has been identified in this country; it poses a negligible risk with extremely rare cases possible among US citizens who have close contact with birds (2008) |
| Iraq | degree of risk: intermediate food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever note: highly pathogenic H5N1 avian influenza has been identified in this country; it poses a negligible risk with extremely rare cases possible among US citizens who have close contact with birds (2008) |
| Kenya | degree of risk: high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne disease: malaria water contact disease: schistosomiasis (2008) |
| Laos | degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne diseases: dengue fever, Japanese encephalitis, and malaria note: highly pathogenic H5N1 avian influenza has been identified in this country; it poses a negligible risk with extremely rare cases possible among US citizens who have close contact with birds (2008) |
| Latvia | degree of risk: intermediate food or waterborne diseases: bacterial diarrhea and hepatitis A vectorborne diseases: tickborne encephalitis (2008) |
| Liberia | degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne diseases: malaria and yellow fever water contact disease: schistosomiasis aerosolized dust or soil contact disease: Lassa fever animal contact disease: rabies (2008) |
| Lithuania | degree of risk: intermediate food or waterborne diseases: bacterial diarrhea and hepatitis A vectorborne diseases: tickborne encephalitis (2008) |
| Madagascar | degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne diseases: chikungunya, malaria, and plague water contact disease: schistosomiasis (2008) |
| Malawi | degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne diseases: malaria and plague water contact disease: schistosomiasis (2008) |
| Malaysia | degree of risk: high food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever vectorborne diseases: dengue fever and malaria note: highly pathogenic H5N1 avian influenza has been identified in this country; it poses a negligible risk with extremely rare cases possible among US citizens who have close contact with birds (2008) |
| Mali | degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne disease: malaria water contact disease: schistosomiasis respiratory disease: meningococcal meningitis (2008) |
| Mauritania | degree of risk: high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne diseases: malaria and Rift Valley fever (2008) |
| Mexico | degree of risk: intermediate food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever vectorborne disease: dengue fever water contact disease: leptospirosis (2008) |
| Montenegro | degree of risk: intermediate food or waterborne diseases: bacterial diarrhea and hepatitis A vectorborne disease: Crimean Congo hemorrhagic fever (2008) |
| Mozambique | degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne diseases: malaria and plague water contact disease: schistosomiasis (2008) |
| Namibia | degree of risk: high food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever vectorborne disease: malaria water contact disease: schistosomiasis (2008) |
| Nepal | degree of risk: intermediate food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever vectorborne disease: Japanese encephalitis and malaria (2008) |
| Nicaragua | degree of risk: intermediate food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever vectorborne disease: dengue fever and malaria water contact disease: leptospirosis (2008) |
| Niger | degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne disease: malaria respiratory disease: meningococcal meningitis note: highly pathogenic H5N1 avian influenza has been identified in this country; it poses a negligible risk with extremely rare cases possible among US citizens who have close contact with birds (2008) |
| Nigeria | degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne disease: malaria and yellow fever respiratory disease: meningococcal meningitis aerosolized dust or soil contact disease: one of the most highly endemic areas for Lassa fever water contact disease: leptospirosis and shistosomiasis note: highly pathogenic H5N1 avian influenza has been identified in this country; it poses a negligible risk with extremely rare cases possible among US citizens who have close contact with birds (2008) |
| Pakistan | degree of risk: high food or waterborne diseases: bacterial diarrhea, hepatitis A and E, and typhoid fever vectorborne diseases: dengue fever and malaria animal contact disease: rabies note: highly pathogenic H5N1 avian influenza has been identified in this country; it poses a negligible risk with extremely rare cases possible among US citizens who have close contact with birds (2008) |
| Panama | degree of risk: intermediate food or waterborne diseases: bacterial diarrhea and hepatitis A vectorborne disease: dengue fever and malaria water contact disease: leptospirosis (2008) |
| Papua New Guinea | degree of risk: very high food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever vectorborne diseases: dengue fever and malaria (2008) |
| Paraguay | degree of risk: intermediate food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever vectorborne disease: dengue fever and malaria (2008) |
| Peru | degree of risk: very high food or waterborne diseases: bacterial, hepatitis A, and typhoid fever vectorborne disease: dengue fever, malaria, Oroya fever, and yellow fever water contact disease: leptospirosis (2008) |
| Philippines | degree of risk: high food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever vectorborne diseases: dengue fever and malaria (2008) |
| Poland | degree of risk: intermediate food or waterborne diseases: bacterial diarrhea vectorborne disease: tickborne encephalitis note: highly pathogenic H5N1 avian influenza has been identified in this country; it poses a negligible risk with extremely rare cases possible among US citizens who have close contact with birds (2008) |
| Russia | degree of risk: intermediate food or waterborne diseases: bacterial diarrhea and hepatitis A vectorborne disease: Crimean Congo hemorrhagic fever and tickborne encephalitis note: highly pathogenic H5N1 avian influenza has been identified in this country; it poses a negligible risk with extremely rare cases possible among US citizens who have close contact with birds (2008) |
| Rwanda | degree of risk: very high food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever vectorborne disease: malaria (2008) |
| Sao Tome and Principe | degree of risk: high food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever vectorborne disease: malaria (2008) |
| Senegal | degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne diseases: Crimean-Congo hemorrhagic fever, dengue fever, malaria, Rift Valley fever, and yellow fever water contact disease: schistosomiasis respiratory disease: meningococcal meningitis (2008) |
| Serbia | degree of risk: intermediate food or waterborne diseases: bacterial diarrhea and hepatitis A vectorborne disease: Crimean Congo hemorrhagic fever note: highly pathogenic H5N1 avian influenza has been identified in this country; it poses a negligible risk with extremely rare cases possible among US citizens who have close contact with birds (2008) |
| Sierra Leone | degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne diseases: malaria and yellow fever water contact disease: schistosomiasis aerosolized dust or soil contact disease: Lassa fever (2008) |
| Somalia | degree of risk: high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A and E, and typhoid fever vectorborne diseases: dengue fever, malaria, and Rift Valley fever water contact disease: schistosomiasis animal contact disease: rabies (2008) |
| South Africa | degree of risk: intermediate food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever vectorborne disease: Crimean Congo hemorrhagic fever and malaria water contact disease: schistosomiasis (2008) |
| Sri Lanka | degree of risk: high food or waterborne diseases: bacterial diarrhea and hepatitis A vectorborne disease: dengue fever and malaria water contact disease: leptospirosis (2008) |
| Sudan | degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne diseases: malaria, dengue fever, African trypanosomiasis (sleeping sickness) water contact disease: schistosomiasis respiratory disease: meningococcal meningitis note: highly pathogenic H5N1 avian influenza has been identified in this country; it poses a negligible risk with extremely rare cases possible among US citizens who have close contact with birds (2008) |
| Suriname | degree of risk: high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne disease: dengue fever, Mayaro virus, and malaria water contact disease: leptospirosis (2008) |
| Swaziland | degree of risk: intermediate food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever vectorborne disease: malaria water contact disease: schistosomiasis (2008) |
| Tajikistan | degree of risk: high food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever vectorborne disease: malaria (2008) |
| Tanzania | degree of risk: very high food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever vectorborne diseases: malaria and plague water contact disease: schistosomiasis (2008) |
| Thailand | degree of risk: high food or waterborne diseases: bacterial diarrhea and hepatitis A vectorborne diseases: dengue fever, Japanese encephalitis, and malaria animal contact disease: rabies water contact disease: leptospirosis note: highly pathogenic H5N1 avian influenza has been identified in this country; it poses a negligible risk with extremely rare cases possible among US citizens who have close contact with birds (2008) |
| Timor-Leste | degree of risk: high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne diseases: chikungunya, dengue fever and malaria (2008) |
| Togo | degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne diseases: malaria and yellow fever water contact disease: schistosomiasis respiratory disease: meningococcal meningitis note: highly pathogenic H5N1 avian influenza has been identified in this country; it poses a negligible risk with extremely rare cases possible among US citizens who have close contact with birds (2008) |
| Uganda | degree of risk: very high food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever vectorborne diseases: chikungunya, malaria, plague, and African trypanosomiasis (sleeping sickness) water contact disease: schistosomiasis (2008) |
| Venezuela | degree of risk: high food or waterborne diseases: bacterial diarrhea and hepatitis A vectorborne disease: dengue fever, malaria, and Venezuelan equine encephalitis (2008) |
| Vietnam | degree of risk: high food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever vectorborne diseases: dengue fever, malaria, Japanese encephalitis, and plague water contact disease: leptospirosis note: highly pathogenic H5N1 avian influenza has been identified in this country; it poses a negligible risk with extremely rare cases possible among US citizens who have close contact with birds (2008) |
| Yemen | degree of risk: high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne diseases: dengue fever and malaria water contact disease: shistosomiasis (2008) |
| Zambia | degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne diseases: malaria and plague are high risks in some locations water contact disease: schistosomiasis animal contact disease: rabies (2008) |
| Zimbabwe | degree of risk: high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne disease: malaria water contact disease: schistosomiasis animal contact disease: rabies (2008) |