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The prevention and Surveillance of diseases, especially the surveillance of communicable diseases, are still the principal aspect of the travel medical study based on its content.Because some incubations of communicable diseases are relatively long, to apply the surveillance for post travel, can find out the infection of the trav-
The prevention and Surveillance of diseases, particularly the surveillance of communicable diseases, are still the principal aspect of the travel medical study based on its content.Because some carriers of communicable diseases are relatively long, to apply the surveillance for post travel, can find out the infection of the trav-