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 a review of the campaign by Veil and Kent (2008), they breakdown the message of the campaign utilizing the basic concepts of inoculation theory. They theorize that Johnson & Johnson used inoculation to alter the negative perception of their product. The campaign began running prior to the actual verdict, thus the timing seemed suspicious. A primary contention made by Veil and Kent (2008) was that the intentions of Johnson & Johnson were not to convey safety guidelines for consumers, but to change how the consumer might respond to further lawsuits on overdose. The inoculation strategy used by Johnson & Johnson,