BCG vaccine BCG was adopted by the Health Committee of the League of Nations (predecessor to the WHO). Because of opposition, however, it only became widely used after World War II. From 1945 to 1948, relief organizations (International Tuberculosis Campaign or Joint Enterprises) vaccinated over 8 million babies in eastern Europe and prevented the predicted typical increase of TB after a major war. BCG is very efficacious against tuberculous meningitis in the pediatric age group, but its efficacy against pulmonary tuberculosis appears to be variable. As of 2006, only a few countries do not use BCG for routine vaccination. Two countries that
Inoculation theory Inoculation in this area improves peoples resistance to such attacks, examples and directions for future work are provided. Recent studies have approached inoculation by incorporating psychological reactance theory (Brehm, 1966, 1972; Brehm & Brehm, 1981) as a means to enhance resistance outcomes through inoculation theory's two key components: threat and refutational preemption. Miller, et al. (2013) focused their study on emerging adults and their reactance to persuasive appeals. Research has demonstrated that this population is in a transitional stage in life (Voyer et al., 2005) and are more likely to defend their behavioral freedoms if they feel others are attempting