A nation being severely affected by HIV/AIDS.

The animals in the deep sea water are severely affected by:

HIV causes reduction in or HIV virus affects………. In AIDS patient

(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.

(a) Which of the following disease are protozoan in origin? Dengue, Malaria, Kala-azar and HIV -AIDS (b) Suggest any two ways to prevent being infected by protozoa.

Assertion : AIDS is a disorder caused by HIV. Reason : HIV is a virus that damage the immune system of its host.

Fracoise Barre-Sinousi and Luc montaganier got the Nobel prize for the discovery that AIDS is caused by HIV. The Nobel prize was awarded in