BCG vaccine extensively used even in countries where efficacy against pulmonary tuberculosis is negligible. A number of possible reasons for the variable efficacy of BCG in different countries have been proposed. None have been proven, some have been disproved, and none can explain the lack of efficacy in both low-TB burden countries (US) and high-TB burden countries (India). The reasons for variable efficacy have been discussed at length in a WHO document on BCG. BCG has protective effects against some non-tuberculosis mycobacteria. BCG has been one of the most successful immunotherapies. BCG vaccine has been the "standard of care for patients with
Inoculation theory "legalization of marijuana, gun control legislation, legalization of gambling, and restriction of television violence" (Miller et al., 2013, p. 135). Phase 2 presented an inoculation message relative to each participant's measured attitudes from Phase 1. The participants were divided into two groups, including the inoculation group and the control group. The questionnaire the participants received also gauged both their perceived threat and affect toward the attack messages. In Phase 3, each group was also given an attack message using either high-controlling or low-controlling language, and again, to evaluate the levels of perceived threat and affect. The study concluded that support