Question

(i) AIDS is a viral disease that spreads by sexual contact. Is there any other way in which this disease can spread?
(ii) Can you name two diseases which spread by sexual contact but are caused by bacteria instead of virus?
(iii) Do microorganisms, responsible for causing these diseases, spread by physical contact such as hug or handshake ?

Answer 1

(i) Yes, through blood transfusion from infected person or through use of common needles and syringes.
(ii) Syphillis and gonorrhoea, both caused by bacteria.
(iii) No.