BCG vaccine 400 per 100,000 in that higher risk context). The age of the person and the frequency with which BCG is given has always varied from country to country. BCG is prepared from a strain of the attenuated (virulence-reduced) live bovine tuberculosis bacillus, "Mycobacterium bovis", that has lost its ability to cause disease in humans. Because the living bacilli evolve to make the best use of available nutrients, they become less well-adapted to human blood and can no longer induce disease when introduced into a human host. Still, they are similar enough to their wild ancestors to provide some degree of
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