FIELD: biotechnology.
SUBSTANCE: claimed strain is obtained by hybridization of epidemic virus with cold adapted and temperature sensitive virus, which represents attenuation donor and is harmless for adults, and infants of 3-14 years old. Said virus makes it possible to obtain reassortant vaccine strains from new epidemic viruses. Strain is effectively cultivated in germinative hen embryos at 32°C, and has temperature sensitivity and cold adaptation. Reassortant has two genes derived from epidemic virus encoding surface proteins (hemagglutinin and neuroamidinase) and six genes derived from attenuation donor encoding non-glycosilated proteins. Strain has no reactogenicity in relation to adults and infants of 3-14 years old at intranasal application.
EFFECT: strain for living influenza intranasal vaccine with good biological properties and reactogenicity.
3 tbl, 2 ex
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RU2416640C1 |
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RU2319744C2 |
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RU2416641C1 |
Authors
Dates
2005-12-20—Published
2004-03-15—Filed