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 get into a vehicle with a drunk driver. The trained group was far more prepared to combat the persuasive arguments. Additionally, Parker, Ivanov, and Compton (2012) found that inoculation messages can be an effective deterrent against pressures to engage in unprotected sex and binge drinking—even when only one of these issues is mentioned in the health message. Another study by Pfau, et al. (1992) examined the role of inoculation when attempting to prevent adolescents from smoking. One of the main goals of the study was to examine longevity and persistence of inoculation. They took a group of elementary school students