a person getting a vaccium vaccium from another person

This image depicts the hands of a clinician, that were in the process of correctly placing a Mantoux tuberculin skin test in this recipient’s forearm, which will cause a 6mm to10mm wheal, i.e., a raised area of skin surface, to form at the injection site. The Mantoux tuberculin skin test is used to evaluate people for latent tuberculosis (TB) infection. In the United States, this skin test consists of an intradermal injection of exactly one tenth of a milliliter (mL) of tuberculin, which contains 5 tuberculin units. Correct placement of this intradermal injection involves inserting the needle