(i) Which type of tissues is affected by HIV infection ?
(ii) List any two precautios one should take to prevent spread of AIDS ?
(iii) Is it necessary to isolate AIDS patients from healthy ones ? Comment.

Explanation

(i) Fluid Tissues (Blood and Lymph)
(ii) Disposable syringes should be used, and before transfusion of blood, it should be screened for HIV.
(iii) AIDS does not spread through air or by living with infected person. It spreads by using contaminated needles and unprotected sex. So, it is not necessary to isolate the HIV infected person.