I need to know what I should do about a baby rabbit I took it in not knowing that it still need its?

You should look for espcialtist the reason is that most mother won't accept their babies after they smell differently not it need to be fed depending how old so pretty much u won't know what or how so in this case u do need special help about ur hamster being bit yes u should be concer bc most of the new born babies could have certain things that may not be good for other it could have rabies if it wasn't vaccine or your hamster could give certain deseas to the rabbit bysaversa GOod luck tell me how it turns out