Oncimmune USA, a 25 Under 25® alumnus from 2011, is being acquired by Health Diagnostic Laboratory Inc., a Virginia-based company. Oncimmune USA, which is a subsidiary of a company based in the United Kingdom, has 25 employees at its lab in De Soto, and they’ll be added to HDL’s workforce of 740. The two companies have overlapping specialties. Oncimmune is known for its EarlyCDT-Lung technology, a blood test that helps…