A Study of New Vaccine Strains of Influenza Virus,
FOREIGN TECHNOLOGY DIV WRIGHT-PATTERSON AFB OHIO
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The report gives the results of a study of genetic criteria of the following group A2 virus strains Krasnodar-10159, Leningrad-176459, England-1264, Moscow-2165, Leningrad-2965 and Leningrad-15165. Tests were made on animals to study sensitivity to inhibitors, infection and hemagglutinating activity, thermostability, ability to elute from erythrocytes and to multiply at various incubation temperatures and antigen activity. Methods of study have been described previously Kolchurina, 1963.