virus variation的意思|示意

Methods: According to the principle and methods of the WHO stipulation, the influenza epidemic strains, antigen, gene variation, serum antibody and virus multi-pathogen were monitored.

方法：按who规定的原理和方法进行：对流感流行株、抗原和基因变异以及血清抗体和病毒多病原实行监测。

The most common version is H1N1, and the current virus causing concern is a new variation of that virus.

最普通的病毒为H1N1，而现在大家最为关注的那个病毒则是这一病毒的变体。

Calculation of the variation rate of influenza B virus was revised in this paper.

还修正了乙型流感病毒变异速率的计算方法。