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Historical Values
Year Value
2005 degree of risk: very high food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever vectorborne diseases: malaria and yellow fever are high risks in some locations water contact disease: schistosomiasis respiratory disease: meningococcal meningitis (2004)
2006 degree of risk: very high food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever vectorborne diseases: malaria and yellow fever are high risks in some locations water contact disease: schistosomiasis respiratory disease: meningococcal meningitis (2005)
2007 degree of risk: very high food or waterborne diseases: bacterial diarrhea, hepatitis A, and typhoid fever vectorborne diseases: malaria and yellow fever are high risks in some locations water contact disease: schistosomiasis respiratory disease: meningococcal meningitis note: highly pathogenic H5N1 avian influenza has been identified among birds in this country or surrounding region; it poses a negligible risk with extremely rare cases possible among US citizens who have close contact with birds
2008 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)
2009 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)
2010 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)
2011 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)
2012 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)
2013 degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne diseases: malaria, dengue fever, and yellow fever water contact disease: schistosomiasis respiratory disease: meningococcal meningitis animal contact disease: rabies (2013)
2014 degree of risk: very high food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne diseases: malaria, dengue fever, and yellow fever water contact disease: schistosomiasis respiratory disease: meningococcal meningitis animal contact disease: rabies (2013)
2015 degree of risk: very high | food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever | vectorborne diseases: malaria, dengue fever, and yellow fever | water contact disease: schistosomiasis | respiratory disease: meningococcal meningitis | animal contact disease: rabies (2013)
2016 degree of risk: very high | food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever | vectorborne diseases: malaria, dengue fever, and yellow fever | water contact disease: schistosomiasis | respiratory disease: meningococcal meningitis | animal contact disease: rabies (2016)
2017 degree of risk: very high | food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever | vectorborne diseases: malaria, dengue fever, and yellow fever | water contact disease: schistosomiasis | respiratory disease: meningococcal meningitis | animal contact disease: rabies (2016)
2018 degree of risk: very high (2016) | food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever (2016) | vectorborne diseases: malaria, dengue fever, and yellow fever (2016) | water contact diseases: schistosomiasis (2016) | animal contact diseases: rabies (2016) | respiratory diseases: meningococcal meningitis (2016)
2019 degree of risk: very high (2019) | food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever (2019) | vectorborne diseases: malaria and dengue fever (2019) | water contact diseases: schistosomiasis (2019) | animal contact diseases: rabies (2019) | respiratory diseases: meningococcal meningitis (2019)
2020 degree of risk: very high (2020) | food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever | vectorborne diseases: malaria and dengue fever | water contact diseases: schistosomiasis | animal contact diseases: rabies | respiratory diseases: meningococcal meningitis
2021 degree of risk: very high (2020) food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne diseases: malaria and dengue fever water contact diseases: schistosomiasis animal contact diseases: rabies respiratory diseases: meningococcal meningitis
2021 degree of risk: very high (2020) food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne diseases: malaria and dengue fever water contact diseases: schistosomiasis animal contact diseases: rabies respiratory diseases: meningococcal meningitis
2022 degree of risk: very high (2020) food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne diseases: malaria and dengue fever water contact diseases: schistosomiasis animal contact diseases: rabies respiratory diseases: meningococcal meningitis note: on 21 March 2022, the US Centers for Disease Control and Prevention (CDC) issued a Travel Alert for polio in Africa; Cameroon is currently considered a high risk to travelers for circulating vaccine-de
2022 degree of risk: very high (2020) food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne diseases: malaria and dengue fever water contact diseases: schistosomiasis animal contact diseases: rabies respiratory diseases: meningococcal meningitis note: on 21 March 2022, the US Centers for Disease Control and Prevention (CDC) issued a Travel Alert for polio in Africa; Cameroon is currently considered a high risk to travelers for circulating vaccine-de
2023 degree of risk: very high (2023) food or waterborne diseases: bacterial and protozoal diarrhea, hepatitis A, and typhoid fever vectorborne diseases: malaria and dengue fever water contact diseases: schistosomiasis animal contact diseases: rabies respiratory diseases: meningococcal meningitis note: on 31 August 2023, the US Centers for Disease Control and Prevention (CDC) issued a Travel Alert for polio in Africa; Cameroon is currently considered a high risk to travelers for circulating vaccine-d