Marc Silver

The Zika virus has gone from an obscure disease to an international public health emergency.

Editor's note: The original version of this post contained a map illustration intended to represent the countries of the Middle East and North Africa, which poll respondents identified as the region presenting the greatest risk to travelers and expatriates in 2016. The map had a number of errors. The countries of Cyprus, Israel and Turkey were either not shown or not labeled; the label for "Palestine" should have read "Palestinian territories"; and Afghanistan and Pakistan were mistakenly included. NPR apologizes for these errors.

When the Nobel for Medicine goes to two scientists who discovered a drug used to fight a variety of neglected diseases, how do you tell the story?

Is it real or is it satire?

In Thailand, a dark-skinned actress laments, "If I was white, I would win."

In India, a movie director says, "I can't have any dark people on my set" and hands a skin-lightening product to two dusky actors.

Namala Mkopi always wanted to be a pediatrician. He doesn't know exactly who or what inspired him. He just wanted "to treat kids."

And nothing would stand in his way, not even biology. "It wasn't my thing," he admits. "I never really liked biology."

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