These symptoms may be referable to virus infection rather than parasites.

　　這些癥狀也許是由病毒感染引起的，而與寄生蟲無關(guān)。

　　Once you have removed the virus it is safe to reconnect to the Internet.

　　病毒一清除，就可以安全地重新連接互聯(lián)網(wǎng)。

　　The drug prevents the virus from replicating itself.

　　這種藥能防止病毒復制。

　　The virus is getting more and more attention, and not before time

　　這種病毒正受到越來越多的關(guān)注，其實早該如此。