rotavirus rotavirus

A nurse vaccinates a baby against rotavirus, a deadly form of diarrhea. Hector Retamal/AFP/Getty Images hide caption

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Hector Retamal/AFP/Getty Images

Merck Pulls Out Of Agreement To Supply Life-Saving Vaccine To Millions Of Kids

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A baby receives the rotavirus vaccine during a clinical trial in Niger. The new vaccine is the first designed specifically for children in sub-Saharan Africa. It doesn't require refrigeration and will be cheaper than ones currently available. Krishan Cheyenne/MSF hide caption

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Krishan Cheyenne/MSF

Becoming a father made Dr. Namala Mkopi appreciate why parents worry so much. He's been a leading advocate for childhood vaccines in his native Tanzania. Ben de la Cruz/NPR hide caption

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Ben de la Cruz/NPR