<h1>India to Boost Vaccine Security: New Units in Chennai, Upgraded Medical Colleges, Expanded Health Initiatives in 2012-13 Budget.</h1> The Indian government announced plans to enhance vaccine security by establishing new vaccine units and modernizing existing ones. A new integrated vaccine unit is to be set up near Chennai, as part of the Union Budget 2012-13. This initiative follows a year without polio cases, signaling progress in disease prevention. The scope of Accredited Social Health Activists will expand to include iodine deficiency prevention, full immunization, and improved child spacing. Additionally, the Pradhan Mantri Swasthya Suraksha Yojana will extend to upgrade seven more government medical colleges.