BCG vaccine of 2004 the vaccine is given to about 100 million children per year globally. The main use of BCG is for vaccination against tuberculosis. BCG vaccine can be administered after birth intradermally. BCG vaccination can cause a false positive Mantoux test, although a very high-grade reading is usually due to active disease. The most controversial aspect of BCG is the variable efficacy found in different clinical trials, which appears to depend on geography. Trials conducted in the UK have consistently shown a protective effect of 60 to 80%, but those conducted elsewhere have shown no protective effect, and efficacy appears
Inoculation theory are more likely to be inoculated by issue/advocacy messages. They use Mobil Oil's issue/advocacy campaign to test the hypotheses. The first hypothesis was supported by the data. There was a significant effect provided by inoculation. Additionally, H1 showed that issue/advocacy inoculation messages and attack messages vary in effectiveness depending on the content. The result was also noted in the results of H2, which were also supported by the results. Finally, the results indicated that political views play a role in the effectiveness of the campaigns. Thus, confirming H3, that conservatives are easier to inoculate. They also posed a research question