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 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