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Hantaan virus infection among human and rat populations in Alexandria.

Hantaan virus has recently been identified as the cause of the rodent borne viral zoonosis collectively termed Hantavirus disease (HVD). Although the disease is mainly endemic in two main areas, clinical forms as well as positive antibody testing from healthy persons throughout the world have been reported denoting a worldwide presence. Rattus species are almost universally implicated as hantavirus reservoirs. Screening for hantavirus antibodies was done on 637 samples of human sera and 861 rodent sera trapped from 26 locations throughout the city of Alexandria, Egypt. ELISA assays were performed and 12.2% of humans were found seropositive with no effect of age, duration of work at sea or residence on seropositivity. 12.8% of rodents were seropositive with Rattus norvegicus showing the highest prevalence and with no influence of sex, age or habitat. A significant association was found between the east district and seropositivity to Hantaan in rodents.