BCG vaccine of 2004 the vaccine is given to about 100 million children per year globally. The main use of BCG is for vaccination against tuberculosis. BCG vaccine can be administered after birth intradermally. BCG vaccination can cause a false positive Mantoux test, although a very high-grade reading is usually due to active disease. The most controversial aspect of BCG is the variable efficacy found in different clinical trials, which appears to depend on geography. Trials conducted in the UK have consistently shown a protective effect of 60 to 80%, but those conducted elsewhere have shown no protective effect, and efficacy appears
Inoculation theory counterarguments, the inoculation receiver will then seek out supporting information to further strengthen their threatened position. Finally, the held attitude or belief becomes resistant to a stronger attack, hence the medical analogy of a vaccine. Inoculation is a theory developed to strengthen existing attitudes and beliefs while building resistance to future counterarguments. For inoculation to be successful it is crucial that a threat (motivation for resistance) is imposed upon these existing ideas and refutational preemption (ability to build defenses against potential counterarguments) takes place after the inoculation. The argument that is presented through inoculation must be strong enough to initiate