Read the most recent ACIP Recommendations for Measles, Mumps, and Rubella.
California Department of Public Health Measles website
Science Summary: CDC Studies on Thimerosal in Vaccines
Immunization Action Coalition: MMR vaccine does not cause autism.
Immunizations for Public Health (I4PH) is a Texas-based nonprofit corporation dedicated to making immunization information available to those who need it
The MMR Decision Aid - from the National Centre for Immunisation Research & Surveillance, Australia
CDC Health Advisory, U.S. Multi-state Measles Outbreak, January 23, 2015
MMWR “Measles — United States, January 4–April 2, 2015” released April 17, 2015
CDC press briefing transcript: Measles in the U.S., January 29, 2015