From the WHO: "Measles is a highly contagious, serious disease caused by a virus. In 1980, before widespread vaccination, measles caused an estimated 2.6 million deaths each year."
http://www.who.int/mediacentre/factsheets/fs286/en/
As far as the "catch-all" theory, you are absolutely right; it's a byproduct of OUS clinical trials for FDA approvals (Too many simultaneous exposures make the root causes of patient symptoms indeterminate.).







