METHOD FOR PREPARATION OF LIVING INFLUENZAL VACCINE Russian patent published in 1995 - IPC

Abstract RU 2033182 C1

FIELD: medicine. SUBSTANCE: method involves clarifying virus-containing fluid of hen embryos (infection index/hemagglutinin ≅ 7) followed by cleaning, stabilization and lyophilization of virus. Infectious virus of flu is cleaned by ultracentrifuging in density gradient of saccharose, or by microfiltration. EFFECT: higher efficiency. 2 cl, 3 tbl

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RU 2 033 182 C1

Authors

Krashenjuk Al'Bert Ivanovich

Dates

1995-04-20—Published

1991-11-19—Filed