The BCG vaccine can be anywhere from 0 to 80% effective in preventing tuberculosis for 15 years; however, its protective effect appears to vary according to geography and the lab in which the vaccine strain was grown. More @Wikipedia
Get the latest news about Vaccine, Tuberculosis from the top news sites, aggregators and blogs. Also included are videos, photos, and websites related to Vaccine, Tuberculosis.
Hover over any link to get a description of the article. Please note that search keywords are sometimes hidden within the full article and don't appear in the description or title.