(a) Write the principles of treatment that are generally followed by a doctor to treat infectious diseases. (b) Write two ways by which HIV (AIDS virus) may get transmitted from one person to the other

(a) Principles of treatment:
(i) To reduce the effect of disease, like medicines to bring down fever, reduce pain or loose motions.
(ii) To kill the cause of disease i.e., to give medicine to kill the microbe responsible for disease.
(b) Sexual contact, blood to blood contact with infected person, from infected mother to her baby during pregnancy.