RU92006175A - ATTENUATED COLD-ADAPTED STRAIN OF INFLUENZA VIRUS A / LENINGRAD / 134/47/57 / Н * 002N * 002 / FOR OBTAINING STRAINS OF VITAL NITRANASAL INFLUENZA Vaccine - Google Patents

ATTENUATED COLD-ADAPTED STRAIN OF INFLUENZA VIRUS A / LENINGRAD / 134/47/57 / Н * 002N * 002 / FOR OBTAINING STRAINS OF VITAL NITRANASAL INFLUENZA Vaccine

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Publication number
RU92006175A
RU92006175A RU92006175/13A RU92006175A RU92006175A RU 92006175 A RU92006175 A RU 92006175A RU 92006175/13 A RU92006175/13 A RU 92006175/13A RU 92006175 A RU92006175 A RU 92006175A RU 92006175 A RU92006175 A RU 92006175A
Authority
RU
Russia
Prior art keywords
leningrad
influenza
nitranasal
vital
vaccine
Prior art date
Application number
RU92006175/13A
Other languages
Russian (ru)
Inventor
Г.И. Александрова
Original Assignee
Акционерное общество закрытого типа "Медбиофарм"
Filing date
Publication date
Application filed by Акционерное общество закрытого типа "Медбиофарм" filed Critical Акционерное общество закрытого типа "Медбиофарм"
Publication of RU92006175A publication Critical patent/RU92006175A/en

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Claims (1)

Использование: изобретение относится к медицинской вирусологии и может быть использовано для производства живой гриппозной вакцины и получения производственных штаммов живой гриппозной вакцины для профилактики гриппа. Сущность изобретения: вакцинный штамм А/Ленинград/143/47/57 (Н2N2) получен путем проведения 30 пассажей вируса А/Ленинград/134/17/57 (Н2N2) при температуре, пониженной до 25°С, что придало ему более высокую степень аттенуации, при двух мутациях в РВI и NS генах. Аттенуированный холодоадаптированный штамм вируса гриппа А/Ленинград/134/47/57 (Н2N2) обладает повышенной репродуктивностью в куриных эмбрионах при температуре 25<198>С в 1g ЗИД 50/0,2 мл, 5-6 1g. Штамм ареактогенен и иммуногенен для взрослых и детей.Usage: the invention relates to medical virology and can be used for the production of live influenza vaccine and production strains of live influenza vaccine for the prevention of influenza. The inventive vaccine strain A / Leningrad / 143/47/57 (H2N2) obtained by conducting 30 passages of the virus A / Leningrad / 134/17/57 (H2N2) at a temperature lowered to 25 ° C, which gave it a higher degree attenuation, with two mutations in the PBI and NS genes. The attenuated cold-adapted strain of the influenza virus A / Leningrad / 134/47/57 (H2N2) has increased reproduction in chicken embryos at a temperature of 25 <198> C in 1g of ZID 50 / 0.2 ml, 5-6 1g. The strain areactogenic and immunogenic for adults and children.
RU92006175/13A 1992-11-16 ATTENUATED COLD-ADAPTED STRAIN OF INFLUENZA VIRUS A / LENINGRAD / 134/47/57 / Н * 002N * 002 / FOR OBTAINING STRAINS OF VITAL NITRANASAL INFLUENZA Vaccine RU92006175A (en)

Publications (1)

Publication Number Publication Date
RU92006175A true RU92006175A (en) 1996-09-27

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