Which of the following diseases can be spread by physical contact with an infected individual?

AIDS

chicken pox

malaria

all of the above

AID is only through sexual contact with someone who has it

Chicken Pox is by directly touching the blisters, saliva or mucus of someone who has it.

And Malaria is not contagious, and can't be caught by physical contact. The only way to contact it is by blood transfusions or organ transplants.

Answer: all of the above