North Korean dictator Kim Jong Un made headlines in November when he was photographed with his young daughter at the launch of an intercontinental ballistic missile. The girl, whose existence hadn’t previously been confirmed, appeared to be about 10 years old and had her father’s signature chubby cheeks.

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The P4 laboratory, on the campus of the Wuhan Institute of Virology, in Wuhan, in China's central Hubei province. (Hector Retamal/AFP via Getty Images)