Volume 14, Issue 6
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645



Serum specimens from human beings (159) and domestic and wild mammals and birds (884) were collected in Córdoba Province, Argentina, during 1962–1963 and tested in hemagglutination-inhibition (HI) and neutralisation (N) tests with 24 arboviruses representing groups A, B, C, Guamá, Bunyamwera, Turlock and Phlebotomus fever plus one ungrouped agent. Included in the study were 54 human sera collected in the Litoral region of northeastern Argentina in 1961 and 1962.

There was a high incidence of HI and N test reactors with BE Ar 7272, a Cache Valley-like agent, among human beings, horses and goats, and with St. Louis encephalitis virus among human beings, wild and domestic birds, horses, cattle and goats. A few sera neutralized eastern or western encephalitis, Turlock, Aurá, Mayaro or Una virus. Of the different localities sampled, Colonia Tirolesa, in an area of irrigated truck farming, had the highest rate of positivity and the greatest variety of antibody.


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