Epidemiologic study of the modes of spread of viral hepatitis in Greece

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Abstract
We studied the possible correlation of VH morbidity or HBsAg carrier rate with the prevalence of malaria and enteric among the 50 geographical regions of Greece. Malaria was considered as an index of mosquito density and enteric as an index of the local hygienic conditions. Morbidity data on the studied reportable diseases for the period 1954–1973 and the HBsAg carrier rate (4·7%) among 17,991 recruits of the Greek Air Force, coming from all the geographical regions of Greece, were used. The statistical analysis of our data showed that VH morbidity (which is mainly hepatitis A) is significantly correlated with enteric morbidity, while HBsAg carrier rate with malaria. Our data support the significance of the role of mosquitoes in the spread of HB at least under the prevailing conditions in Greece.