The National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health, is expanding its Tuberculosis Research Units (TBRU) program in an effort to drive innovation in tuberculosis (TB) research. NIAID is awarding up to $15.2 million in fiscal year 2015 and as much as $105.3 million over seven years to fund four institutions that will act as a collaborative TBRU network.