BCG vaccine greater benefit the earlier it is used. BCG vaccine is in the early stages of being studied in type I diabetes. BCG vaccine Bacillus Calmette–Guérin (BCG) vaccine is a vaccine primarily used against tuberculosis (TB). In countries where tuberculosis or leprosy is common, one dose is recommended in healthy babies as close to the time of birth as possible. In areas where tuberculosis is not common, only children at high risk are typically immunized, while suspected cases of tuberculosis are individually tested for and treated. Adults who do not have tuberculosis and have not been previously immunized but are frequently
BCG disease outbreak in Finland in the 2000s been crimes committed relating to use of the BCG vaccine. BCG disease outbreak in Finland in the 2000s BCG disease is an adverse effect of the Bacillus Calmette-Guérin vaccine. The vaccine contains living "Mycobacterium bovis" BCG, and in BCG disease, the bacterium causes a disease in persons vaccinated. Between 2000 and 2006, several hundred children in Finland had serious adverse events from the vaccine, including osteitis and osteomyelitis, disseminated (usually fatal) BCG infection, arthritis, and lymph node abscesses. Four deaths were registered in the official adverse event register, and while in only two cases a clear causal link was considered