For miners examined at three black lung clinics in Virginia, NIOSH reported 416 diagnosed with PMF, an unprecedented number. Through a special CWHSP program, NIOSH examined more than 2,200 surface miners from 2010-2011. Results of the scans found CWP in 46 miners, 12 of which had PMF. Graph of CWP respiratory disease in miners. More @Wikipedia
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.