A nurse holds a young girl who was vaccinated at the kickoff of a national measles prevention campaign in Liberia. Jason Beaubien/NPR hide caption

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As Ebola Leaves Liberia, Measles Makes A Forceful Comeback

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Worth a little pain? Back in 1990, a school boy got a measles shot in the U.K., and it turns out, he got more than protection against the measles. Photofusion/UIG via Getty Images hide caption

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Scientists Crack A 50-Year-Old Mystery About The Measles Vaccine

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Health worker Jackie Carnegie delivers a rubella vaccine in Colorado in 1972. Ira Gay Sealy/Denver Post via Getty Images hide caption

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Western Hemisphere Wipes Out Its Third Virus

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People who oppose repealing the personal belief exemption gathered outside California's Capitol in Sacramento on Wednesday. Pauline Bartolone/Capital Public Radio hide caption

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Bill To Limit Vaccine Exemptions Moves A Step Closer In California

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Measles is highly contagious, and it produces fever and rash in susceptible people who become infected. Hazel Appleton/Health Protection Agency Centre/Science Source hide caption

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Why A Court Once Ordered Kids Vaccinated Against Their Parents' Will

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Measles vaccine isn't a part of most workplaces. Eric Risberg/AP hide caption

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Can Employers Require Workers To Be Vaccinated? It Depends

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Gary Waters/Getty Images/Ikon Images

To Get Parents To Vaccinate Their Kids, Don't Ask. Just Tell

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This World Health Organization map shows the percent of the population vaccinated for measles in each country in 2013. Dark green is at least 90 percent. Light green is 80 to 89 percent. Orange is 50 to 79 percent. Red is less than 50 percent. Courtesy of WHO hide caption

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The KinderCare Learning Center in Palatine, Ill., where five infants have been diagnosed with measles. Officials are trying to track down the source of the infection. Scott Olson/Getty Images hide caption

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Leah Russin, of Palo Alto, Calif., holds her son, Leo, 16 months, as she speaks Wednesday at a news conference in support of proposed state legislation that would require parents to vaccinate all school children. Rich Pedroncelli/AP hide caption

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Measles Outbreak Sparks Bid To Strengthen Calif. Vaccine Law

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California is one of 20 states that allow parents to opt out of vaccination requirements for reasons of "personal belief." About 10 percent of students in the Santa Monica-Malibu school district are not immunized. Justin Sullivan/Getty Images hide caption

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Measles + Low Vaccination Rates = Big Headaches For Schools

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Dr. Eric Ball examines a healthy 5-day-old patient in his office in Ladera Ranch, Calif. Ball and colleagues decided this week to take only patients whose parents follow the recommended vaccine schedule. Courtesy of Eric Ball hide caption

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Pediatricians Pressured To Drop Parents Who Won't Vaccinate

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Jackie Carnegie immunizes Mabel Haywood in a Colorado Health Department immunization van in 1972. Shots for measles and other infectious diseases were offered. Ira Gay Sealy/Denver Post Archive/Getty Images hide caption

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Juniper Russo walks her dogs with her daughter Vivian (left). Courtesy of Juniper Russo hide caption

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Once A Vaccine Skeptic, This Mom Changed Her Mind

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Writer Roald Dahl and his wife, actress Patricia Neal, with two of their children, Theo and Chantel Sophia "Tessa." The photo was taken a few years after oldest daughter, Olivia, died of measles. Hulton Archive/Getty Images hide caption

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KQED

A Boy Who Had Cancer Faces Measles Risk From The Unvaccinated

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