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 defensive, but weak enough to not actually change those preexisting ideas. This will hopefully make the receiver actively defensive and allow them to create arguments in favor of their preexisting thoughts. The more active the receiver becomes in his or her defense the more it will strengthen their own attitudes, beliefs, or opinions (McGuire, 1964). There are four basic key components to successful inoculation: threat, refutational preemption, delay, and involvement. The first is threat, which provides motivation to protect one's attitudes or beliefs (Pfau, 1997a). Threat is a product of the presence of counterarguments in an inoculation message and/or an