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 an individual. Future studies in the area of health can be extremely beneficial to communities. Some areas that are currently being researched can possibly help with present-day issues (e.g., inoculation-based strategies for addiction intervention to assist sober individuals from relapsing). Other areas for future studies include, promoting healthy eating habits, exercising, breastfeeding and creating positive attitude towards mammograms (Ivanov, 2017). An area that has been underdeveloped is mental health awareness. With the number of young adults and teens committing suicide due to bullying this can be an area where inoculation messages could be effective. McGuire (1961) used a medical analogy