Measles

California Department of Public Health. Measles. Accessed April 7, 2014, from http://www.cdph.ca.gov/HealthInfo/discond/Pages/Measles.aspx (scroll down)

CDPH guidance re measles lab testing and result interpretation can be found here

CDC MMWR 2013 http://www.cdc.gov/mmwr/preview/mmwrhtml/mm6236a2.htm