INFLUENZA VIRUS STRAIN FOR LIVING INFLUENZA INTRANASAL VACCINE FOR INFANTS AND ADULTS
FIELD: virology, immunology. ^ SUBSTANCE: vaccine strain reassortant is obtained by specific epidemic virus with cold-adapted temperature-sensitive virus as attenuation donor. Strain actively multiplies in developing hen embryos at optimal temperature of 32-33°C and is characterized with cold-adapta...
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Zusammenfassung: | FIELD: virology, immunology. ^ SUBSTANCE: vaccine strain reassortant is obtained by specific epidemic virus with cold-adapted temperature-sensitive virus as attenuation donor. Strain actively multiplies in developing hen embryos at optimal temperature of 32-33°C and is characterized with cold-adaptation and temperature-sensitivity. Strain has two genes from epidemic virus encoding surface proteins (hemagglutinin and neuroaminidase) and six genes from attenuation donor encoding internal non-glycosylated proteins. ^ EFFECT: new strain for living influenza intranasal vaccine for infants and adults. ^ 1 dwg, 3 tbl, 2 ex |
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