A nurse in Hyderabad, India, gives a vaccine to a child. The immunization will protect against diphtheria, pertussis, tetanus and other diseases. Noah Seelam/AFP/Getty Images hide caption

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Noah Seelam/AFP/Getty Images

Parents In Poor Countries Worry About Vaccines, Too

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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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Jason Beaubien/NPR

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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Photofusion/UIG via Getty Images

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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Ira Gay Sealy/Denver Post via Getty Images

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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Pauline Bartolone/Capital Public Radio

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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Hazel Appleton/Health Protection Agency Centre/Science Source

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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Eric Risberg/AP

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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