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Persistence of Tanapox in Tana River Valley

Br Med J 1973; 2 doi: (Published 21 April 1973) Cite this as: Br Med J 1973;2:151

This article has a correction. Please see:

  1. P. E. C. Manson-Bahr,
  2. A. W. Downie


    Sera collected from inhabitants of the Tana River valley in 1971 were examined for antibody to tanapox virus. Neutralizing antibody was present in 16·3%. The levels of antibody and its presence in two children under the age of 10 years indicated that infection had been occurring in the area since the reported outbreak in 1962. A comparison of the incidence and distribution of antibodies in the same sera to West Nile virus revealed marked similarities suggesting that tanapox, like West Nile virus infections, might be transmitted in the same way—namely, by a culicine mosquito.