Molibog E V, Konstantinov-Zibelist I, Starke G, Zakstel'skaia L Ia
Vopr Virusol. 1979 Nov-Dec(6):631-4.
Antineuraminidase antibody was determined in the subjects who had suffered influenza during the epidemics of 1970-1975 in the GDR. As early as 1970 the highest titers of antibody (greater than or equal to 1:60) were found not only to the prototype A/Hong Kong/1/68 strain but also to its subsequent drift variants A/England/42/72, A/Port Chalmers/1/73. Some subjects had antineuraminidase antibody to avian influenza virus.