BCG vaccine immunity against human tuberculosis. The BCG vaccine can be anywhere from 0 to 80% effective in preventing tuberculosis for a duration of 15 years; however, its protective effect appears to vary according to geography and the lab in which the vaccine strain was grown. A number of different companies make BCG, sometimes using different genetic strains of the bacterium. This may result in different product characteristics. OncoTICE, used for bladder instillation for bladder cancer, was developed by Organon Laboratories (since acquired by Schering-Plough, and in turn acquired by Merck & Co.). Pacis BCG, made from the Montréal (Institut Armand-Frappier) strain,
Inoculation theory When McGuire (1966a) created this theory, it was applied to social clichés. This meant it was primarily used toward the attitudes that were rarely, if ever attacked by opposing forces. The early tests of inoculation theory were used on non-controversial issues, (e.g. brushing your teeth is good for you). Few refute that brushing one's teeth is a good habit, therefore external opposing arguments against tooth brushing would not change one's opinion, but it would strengthen support for brushing one's teeth (Banas & Rains, 2010). Inoculation theory studies currently target less popular or common attitudes, such as whether one should buy