| [the comparative characteristics of the safety, immunogenic activity and prophylactic potency of the adult and children types of live influenza vaccine in schoolchildren aged 7-14 years]. | in russia for prevention of influenza in children, aged from 3 to 14 years, the children's live influenza vaccine (liv), based upon a/leningrad/134/47/57(h2n2) master strain (livi) is used. the need for double immunization appears to be one out of the faulties of this preparation. the study was aimed to comparing the safety, immunogenic activity and prevention of influenza by liv for adults (livii) (a/leningrad/134/17/57(h2n2 master strain) and livi in children aged from 7 to 17 years under simi ... | 2002 | 12271721 |
| [antigenic anachronism of influenza viruses a(h2n2) in leningrad in 1980. ii. the laboratory characteristics of influenza a/leningrad/80 viruses]. | as indicated by the results of the hemagglutination inhibition (hai) test, influenza viruses a/leningrad/80 contain hemagglutinin (ha), similar to that of virus a/singapore/1/57 (h2n2). neuraminidase contained in viruses a/leningrad/80 belongs to serological subtype n2 and is similar to that of virus a/singapore/1/57 (h2n2). no differences in the polypeptide composition of the virus-induced proteins of viruses a/leningrad/527/80, a/leningrad/549/80, a/leningrad/553/80 and virus a/singapore/1/57 ... | 1984 | 6240876 |