I donned my jacket-which had the feel of a biohazard suit-and headed out into the rain.

上了外套——给人的感觉有点儿防毒服的味道——一头进了雨里。

Well in the meantime you are a biohazard! I didn't get it when I was a kid and I've heard that you can even die if you get it as an adult!

哦，同时你也很危险！小的时候没长过，听说如果长大后才长的话有可能会死的！