<prompt> BCG, True about it -Killed vaccineSubcutaneously givenGiven in positive tubercular patientsLive vaccine  <response>: Ans. is d i.e., Live vaccine . BCG is the only widely used live bacterial vaccine. . It consists of living bacteria derived from an attenuated bovine strain of tubercle bacilli. . Normal saline is recommended as a diluent for reconstituting the vaccine. . It is given intradermally. . The site of injection should be just above the inseion of the deltoid. 