Gene 62 of attenuated varicella virus Oka strain and identification method of attenuated live varicella vaccine virus strain using this gene 62

摘要

The present application provides the gene 62 of Oka vaccine virus, which comprises at least with the following base substitutions (a) to (d) in the nucleotide sequence of SEQ ID No. 1: (a) the base A at position 2110 is G; (b) the base A at position 3100 is G; (c) the base T at position 3818 is C; and (d) the base A at position 4006 is G, and a method for identifying the Oka vaccine virus and an attenuated varicella-zoster virus strain acceptable as virus strain for live attenuated varicella vaccine, by using the gene 62.