BCG vaccine is administered via:
BCG vaccine is administered via intradermal route which is uniquely specified among routine childhood immunizations. Technique involves injection of small volume 0.05 ml for infants under 12 months and 0.1 ml for older children into superficial dermis of lower insertion of deltoid muscle left arm using 26G or 27G needle inserted bevel upward at approximately 10-15 degree angle pushing needle 2 mm subepidermal creating characteristic peau d orange wheal 6-8 mm bleb that disappears within 30 minutes indicating correct placement. Dermis abundant in Langerhans cells expressing langerin CD207 and d
Ref: WHO BCG vaccine position paper 2018 intradermal; Plotkin BCG route; CDC intradermal.
