| Country | Major infectious diseases |
| Burkina Faso | degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne disease: malaria and yellow fever water contact disease: schistosomiasis respiratory disease: meningococcal meningitis 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 (2009) |
| 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 (2009) |
| Burundi | 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 animal contact disease: rabies (2009) |
| 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 (2009) |
| 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 (2009) |
| Canada | void |
| Cape Verde | void |
| Cayman Islands | void |
| 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 water contact disease: schistosomiasis animal contact disease: rabies (2009) |
| 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 animal contact disease: rabies (2009) |
| Chile | void |