A newborn in Sierra Leone is treated after delivery by Caesarean section. The country's child mortality rate has dropped from 264 per 1,000 in 1990 to an estimated 120 this year.
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A dangerous nuzzle? A man in western Abu Dhabi hugs a camel brought in from Saudi Arabia for beauty contests. Middle East respiratory syndrome circulates in camels across the Arabian Peninsula.
Dave Yoder/National Geographic
A student wearing a face mask stands in a public square in Seoul on June 3. More than 200 primary schools shut down as South Korea has struggled to contain an outbreak of the MERS virus.
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