However, the boss do not buy the genuine Anti-viruse software, so it is very difficult to us to face.

可是老板不给大家买正版杀毒软件，让我们也很难做。

Amantadine hydrochloride was widely used to treat flu. But the emergence of amantadine-resistant (viruse) is now a matter of concern.

盐酸金刚烷胺是治疗流感的常用药物，但流感病毒极易产生耐药性并发生变异。