Abstract

Introduction : Small rodents inhabiting the wadis close to St Katherine in the mountains of the Sinai Peninsula, Egypt, were trapped and antibodies to Sindbis (SIN) , West Nile (WN) and Quaranfil (QRF) viruses in their sera were studied. Materials and Methods One mouse had Haemagglutination–inhibition (HI) antibodies against SIN antigen in his serum, 3 mice had HI antibodies against WN antigen in their sera. The titers is low to be of any significance. Conclusion: It seems that natural cycle of transmission of SIN and WN viruses involving rodents does not exist. Seven mice had Complement-fixation (CF) antibodies in their sera against Quaranfil antigen. Conclusion, the CF test results suggest the existence of another mammal vector cycle.

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