he's facilitating biting attacks.

制造撕咬攻击
We think he's a sadist

我们认为他是个虐待狂
who gets off on watching the attacks.

能从观看攻击过程中得到快感
He may record them

他可能会把过程录下来
so he can relive the event over and over again.

以便一遍遍重温
Rabies has been around since the beginning of documented history.

自有历史记录以来就有狂犬病出现了
It has the highest case to mortality rate in existence

它是现有疾病中死亡率最高的疾病
and is arguably the deadliest disease known to man.

可能是人类已知的最致命的疾病
It's derived from a Sanskrit word meaning "to do violence."

这个词源自梵文意为"施暴"
Carriers literally go stark raving mad.

病毒携带者确实会异常狂暴
Uh, I thought there's a vaccine for it.

不是有疫苗吗
There is, but the post-exposure prophylaxis is only effective

有是有不过这种接触后的预防措施