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 a Mac or a Windows-based PC computer or if one should support gay marriage. Implementing inoculation theory in studies of contemporary social issues (from mundane to controversial social issues), the variety and resurgence of studies using inoculation theory helps bolster the effectiveness and utility of the theory and provides support that it can be used to strengthen and/or predict attitudes. McGuire led a series of experiments assessing inoculation's efficacy and adding nuance to our understanding for how it works (for a review, see Compton, 2013; Compton & Pfau, 2005). Early studies (e.g., McGuire & Papageorgis, 1961) limited testing of inoculation