BCG vaccine screened for active tuberculosis. BCG is also contraindicated in certain people who have IL-12 receptor pathway defects. BCG is given as a single intradermal injection at the insertion of the deltoid. If BCG is accidentally given subcutaneously, then a local abscess may form (a "BCG-oma") that can sometimes ulcerate, and may require treatment with antibiotics immediately, otherwise without treatment it could spread the infection causing severe damage to vital organs. However, it is important to note an abscess is not always associated with incorrect administration, and it is one of the more common complications that can occur with the vaccination.
Inoculation theory (1995) posited that the use of inoculation strategies for these types of campaigns should be utilized to enhance the corporations' credibility and aide in maintaining the existing consumer attitude. This strategy should not be used to change consumer attitudes. Based on the analysis of previous research Burgoon et al. concluded issue/advocacy advertising is most effective for reinforcing support and avoid potential slippage in the attitudes of supporters. Based on previous publications they looked to test three hypotheses. The first was that issue/advocacy advertisements work to inoculate against counterattitudinal attacks. Next, issue/advocacy advertisements work to protect the source credibility. Lastly, conservatives