There are several methods of BCG vaccination

BCG vaccination methods commonly used three kinds: the intradermal method, scratch paper on law and internal law.
(1) percutaneous law: that is, intradermal injection. Left upper arm at the injection site in the bottom of the outer edge of the deltoid muscle, injection should be from a Pichugin. Negative tuberculin test, the use of vaccine containing per milliliter of vaccine-mediated 0.5mg or 0.75mg, done with 0 .1 ml intradermal injection, subcutaneous injection is strictly prohibited. This method is the high rate of positive and stable.
(2) Paper on the scratch method: scratch the skin on the milky white suspension with BCG, the bacteria level in 1ml per 50 ~ 75mg. Left upper arm in the bottom of the outer edge of the deltoid muscle, skin disinfection with alcohol when dry, drops 2 to 3 drops of the vaccine solution shaken with sterile needles uniform "wells" in the long 1 ~ 1 5cm, Gap 0.5cm to appear appropriate for the red marks, evenly coated vaccine to infiltration of skin, the vaccine only after the clothes dry. This method is simple, easy to popularize and promote local response light, less lymph node response.
(3) oral law: limited to 2 months after the birth of the baby within.
More than three kinds of ways to skin and oral law within the law a higher rate of positive skin scratch on the lower rate of positive law.