BCG vaccine nesting birds and rusted electrical conduits. The resulting closure of the plant for over two years resulting in shortages of bladder cancer and tuberculosis vaccines. On October 29, 2014 Health Canada gave the permission for Sanofi to resume production of BCG. The global supply situation was analyzed in 2017 and concluded that the global supply is sufficient to meet forecasted BCG vaccine demand but risks for shortages remain mainly due to supply concentration. A weakened strain of bovine tuberculosis bacillus, "Mycobacterium bovis" is specially subcultured in a culture medium, usually Middlebrook 7H9. Some BCG vaccines are freeze dried and become
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