Q. Which of the following is/are the advantages of Nasal Vaccine?
1.These are non-invasive and needle-free.
2.They does not require trained healthcare workers.
3.They generally ensure high compliance.
Select the correct answer using the codes given below;

[A] 1 only

[B] 2 and 3 only

[C] .1 and 2 only

[D] 1, 2 and 3

Answer: D

The advantages of nasal vaccines are,

1) Non-invasive and needle-free, 2) Easy to administer as it does not require trained healthcare workers, 3) Eliminates needle-associated risks (injuries and infections), 4) High compliance — ideally suits children and adults.

Source: PIB