There's this thing called, Girl infection. Some infected would use sum random syringes and inject it. You could get infected. There are 3 infections. 

•1. Girl
It's either you get infected or you step into a white goo

•2. Maid girl
Girls try to trick you into wearing a maid dress and turn you into one of it or step into a black goo

•3. Cat maid girl
Girls try to trick you into wearing cat ears, tail and maid dress or stepping into a grey goo