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Persistence in nature of influenza virus A/eq/Praha/56 (Heq1Neq1)
Acta Virologica
|January 1, 1980
Abstract:
Equine influenza occurred in Czechoslovakia 14 years after the last epizootic in horses that had returned from abroad. Six strains A (Heq1Neq1) antigenically related to, but not identical with, strain A/eq/Praha/56 were isolated from 10 washings. Seroconversion was demonstrated with paired sera, but the antibody increase was more marked against the newly isolated strain.