Adrenaline is a "fight or flight" hormone associated with the sympathetic nervous system in the human body. This means that if you need to do alot of physical exertion or think fast, the body diverts...
No.
Only if the animal you've interacted with has come into contact with someone infected with a human-human STD, like HIV or Syphilis (which can be spread via the placenta, fecal-oral activities,...