Consider the following statements. AIDS -is transmitted:1. By sexual intercourse2. By blood transfusion3. By mosquitoes and other blood sucking insects4. Across the placenta
✓ Correct answer: b) 1, 2 and 4 are correct
ExplanationOption 1, 2 and 4 are correct: AIDS (Acquired Immunodeficiency Syndrome), caused by the HIV virus, is transmitted through: Sexual intercourse: HIV is primarily transmitted through unprotected sexual contact, including vaginal and anal intercourse with an infected partner.The virus is present in bodily fluids such as semen and vaginal secretions.Blood transfusion: Receiving blood transfusions contaminated with HIV can transmit the virus.HIV can be transmitted from an infected mother to her child during pregnancy, childbirth, or breastfeeding.This mode of transmission is known as vertical or mother-to-child transmission.It is transferred from an infected mother to her foetus across the placenta.These are the primary modes of transmission as confirmed by WHO.Option 3 is incorrect: HIV cannot be transmitted through mosquitoes or other blood-sucking insects because the HIV virus does not survive or replicate in these organisms.517
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