Match each disease with its correct type of vaccine
- A - (i), B - (ii), C - (iv), D - (iii)
- A - (iv), B - (iii), C - (ii), D - (i)
- A - (ii), B - (i), C - (iii), D - (iv)
- A - (iii), B - (ii), C - (iv), D - (i)
Answer
(2) A - (iv), B - (iii), C - (ii), D - (i)
Solution
A. Tuberculosis — BCG vaccine contains live attenuated (harmless) bacteria, Mycobacterium bovis ⇒ (iv).
B. Whooping cough (pertussis) — the vaccine contains killed Bordetella pertussis bacteria ⇒ (iii).
C. Diphtheria — the vaccine is a toxoid, i.e., inactivated toxin ⇒ (ii).
D. Polio — oral polio vaccine contains live attenuated (harmless) virus ⇒ (i).
∴ A - (iv), B - (iii), C - (ii), D - (i).
Answer: (2)