Regarding the administration technique of BCG vaccine to a neonate, which of the following statements is CORRECT?
- A It is given intradermally in the left deltoid region, 0.05 mL (neonatal dose) ✓
- B It is given intramuscularly in the anterolateral thigh, 0.5 mL
- C It is given subcutaneously in the right upper arm, 0.1 mL
- D It is given intradermally in the right deltoid region, 0.1 mL
Correct answer: A. It is given intradermally in the left deltoid region, 0.05 mL (neonatal dose)
Explanation
BCG vaccine is given intradermally in the left deltoid region (over the insertion of the deltoid muscle) to allow identification of the BCG scar. The neonatal dose is 0.05 mL; for children above 1 month, the dose is 0.1 mL. Intramuscular or subcutaneous administration is incorrect and can lead to adverse reactions such as abscess formation. The left side is chosen to distinguish the scar from any future vaccination on the right arm.
Reference: Immunization Handbook for Medical Officers, Government of India, 2017 ed.
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