By using this site, you agree to our Privacy Policy and our Terms of Use. Close

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.).