AARDA Launches New PSA Campaign in March for National Autoimmune Diseases Awareness Month in Sclero Forums (MAIN) Posted March 8, 2011 AARDA Launches New PSA Campaign in March for National Autoimmune Diseases Awareness Month. The American Autoimmune Related Diseases Association Inc. (AARDA) has unveiled a multi-media public service/awareness campaign titled "We are 50 Million" to herald March 2011 as National Autoimmune Diseases Awareness Month. The campaign is designed to educate the general public about the magnitude of autoimmune disease and its impact on patients, families and the U.S. health care system. PRNewswire. 02/02/11. These items were posted in the ISN Newsroom. Check the Newsroom every day for the latest scleroderma medical and support information.