ROCKVILLE, MD - MAY 4: Bill and Melinda Gates Foundation Senior Program Officer Jan Gheuens addresses the opening ceremony for the new Aeras Global TB Vaccine Foundations' manufacturing plant May 4, 2009 in Rockville, Maryland. The multi-million dollar manufacturing facility will be capable of producing 200 million doses of a new TB vaccine. Aeras is a non-profit partnership that collaborates with various institutions to develop new TB vaccine candidates and delivery systems. Aeras is funded by the Bill and Melinda Gates Foundation, the Netherlands Ministry of Foreign Affairs, the Danish International Development Agency, and the Research Council of Norway, among others.