BCG vaccine and one disaster, in particular, did much to harm public acceptance of the vaccine. In the summer of 1930 in Lübeck, 240 infants were vaccinated in the first 10 days of life; almost all developed tuberculosis and 72 infants died. It was subsequently discovered that the BCG administered there had been contaminated with a virulent strain that was being stored in the same incubator, which led to legal action against the manufacturers of the vaccine. Dr. R.G. Ferguson, working at the Fort Qu'Appelle Sanatorium in Saskatchewan, was among the pioneers in developing the practice of vaccination against tuberculosis. In 1928,
Inoculation theory field itself is meant to act to the public, their opinions, and their actions. It is especially useful with an audience who already has an opinion on a brand. Inoculation theory is the perfect way to convince already faithful customers that they are making the right choice in trusting your company and to keep the customer coming back in the future. For example, Apple and their "Get A Mac" campaign. This campaign did a great job of following the inoculation theory in targeting those who already preferred Mac computers. The series of ads pit out in the duration of the