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[Use of the cultural variants of Coxsackie A viruses in virological practice].

Coxsackie A viruses belong to the enteroviruses, the isolation of which from infectious materials and further cultivation are possible only when laboratory animals are infected. The authors could adapt the strains of 17 of 23 serotypes of these viruses to RD cell culture. The strains of 8 serotypes were additionally adapted to Vero cell culture. The cultural variants of Coxsackle A viruses were used to prepare immune sera. The Bacterial and Viral Agents Enterprise, M. P. Chumakov Institute of Poliomyelitis and Virus Encephalitides, Russian Academy of Medical Sciences, has set up the production of bacterial and viral drugs based on the cultural variants of 5 Coxsackie A virus serotypes. The cultural variants of 14 Coxsackie A virus serotypes were used to carry out a virus neutralization test. Examination of more than 600 children from Moscow and the Moscow Region showed the wide circulation of individual Coxsackie A virus serotypes. It also demonstrated a drastic reduction in Coxsackie A-7 virus circulation in the past 50 years.