SAN FRANCISCO--(BUSINESS WIRE)--McKesson Corporation, the nation’s oldest and largest healthcare services and IT company, today announced the release of its 2008-2009 Corporate Citizenship Report and launched the McKesson Foundation’s new strategic focus on chronic disease management. Designed to minimize paper and energy usage, the Company’s new online-only interactive report tells McKesson’s corporate citizenship story through the voices of McKesson employees and stakeholders. McKesson’s Corporate Citizenship Report is available at www.mckesson.com/citizenshipreport.