Which one of the following statements is correct with respect to AIDS?
Which one of the following statements is correct with respect to AIDS?
The HIV can be transmitted through eating food together with an infected person
Drug addicts are least susceptible to HIV infection
AIDS patients are being fully cured cent per cent with proper care and nutrition
The causative HIV retrovirus enters helper T-lymphocytes thus reducing their numbers
Solution
AIDS (Acquired Immuno Deficiency Syndrome) is a viral disease of immune system. It is caused by virus Human Immunodeficiency Virus (HIV). In AIDS patients, the virus homes on $\mathrm{CD}_4+$ T-cells (helper T-lymphocytes), infecting and killing them until none are left. Without their crucial immune system cells, the body cannot mount a defence against invading bacteria or viruses. AIDS patient die off infections that a healthy person could fought off.