COLD-ADAPTED ATTENUATION DONOR, STRAIN OF INFLUENZA VIRUS B/SSSR/60/69/5252, INTENDED FOR PRODUCTION OF STRAINS OF LIVE INTRANASAL INFLUENZA VACCINE
FIELD: medicine; biotechnology.SUBSTANCE: invention relates to medical virology and biotechnology. Described is an influenza strain B/SSSR/60/69/5252, obtained as result of 3-fold cloning in developing chicken embryos of a known attenuation donor B/SSSR/60/69. Strain actively propagates in chicken e...
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