VP7蛋白在病毒的各蛋白中最保守，是病毒的血清群特异性抗原。
VP7, the most conserved protein of the virion, is serogroup-specific antigen.
BA法染色表明法氏囊一直存有病毒和群特异性抗原，以接毒后3～4个月含量最高。
There were lymphoid leukosis virus and group specific antigen in the follicles with BA dying which was highest in content from the 3rd to 4th month of PI.
主要组织相容性复合体（MHC）是一群紧密连锁的基因，编码主要组织相容性抗原，在脊椎动物机体的免疫应答中具有重要作用。
The major histocompatibility complex( MHC) is a group of closely-linked gene, Which code the major histocompatibility antigen and play a critical role in immune response in vertebrate animals.
猪痘属于痘病群，是由两种抗原上不同的痘病毒引起的。
Swine pox, which belongs to the pox disease complex, is caused by two antigenically different poxviruses .
猪痘属于痘病群，是由两种抗原上不同的痘病毒引起的。
Swine pox, which belongs to the pox disease complex, is caused by two antigenically different poxviruses .
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