CBSE Class 12-science Answered
There are various risk groups for transmission of AIDS such as homosexual and heterosexual partners, intravenous drug abusers, recipients of blood transfusion and haemophilics. Virus of HIV is transmitted through blood and semen.
(a) Transfusion of infected blood or blood products.
(b) Use of contaminated needles and syringes to inject drugs or vaccines.
(c) Use of contaminated razors.
(d) Use of contaminated needles for piercing pinnae.
(e) Sexual intercourse with an infected person without the use of a condom.
(f) From infected mother to the child through the placenta.
(g) Through the process of artificial insemination.
(h) Through the process of organ transplant.
There is no specific diagram for the transmission of HIV virus. The diagram for replication of the retrovirus is shown below: