i) AIDS does not spread by shaking hands, talking, and sharing clothes, utensils. It gets transmitted only when there is an exchange of body fluids. So, there is no need to fear living with an AIDS patient.
(ii) Some preventive and safe steps to be suggested are:
(iii) AIDS is caused by Human Immunodeficiency Virus (HIV), a retrovirus. This virus attacks T-helper cells thus destroying the immune system. The common symptoms of AIDS are weakness, fever, weight loss, regular illness, etc