infectious diseases (those with bacterial or virus, or prion)

you can also "catch" chemical based diseases such as contamination burns if you come into contact with someone with the chemicals on them.

You are in luck. You can't catch gay diseases at all because there is no such thing as a gay disease.

Yes, turkeys can and will often catch diseases from chickens. This is why it is advised to keep turkeys and chickens separate, this way the turkeys cannot catch the disease from the chickens.

swan is acually a type of malaria diseaz it can catch.

No, not typically.