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 motivation to maintain current attitudes and beliefs, but weak enough that the receiver will refute the counterargument (Compton, 2013; McGuire, 1964). Inoculation has been proven successful through trials and research. This article highlights vital aspects of inoculation theory, however, it is not exhaustive–there is a large volume of quality research on the theory not mentioned. Finally, while numerous studies have tested and verified the efficacy of the inoculation process, there continues to be a need for refinement and elaboration. Inoculation theory is used today as part of the suite of tools used by those engaged in shaping or manipulating public