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She was a teacher, a self-employer tailor and even a "barefoot doctor" - an unlicensed village doctor in China.

China’s “barefoot doctor” system was one of the Communist revolution’s most notable successes.

He was inspired by his aunt, a “barefoot doctor” in Mingguang, a city in Anhui Province, one of the poorest regions in China.

Infant mortality was high and life expectancy low, and the “barefoot doctor” system that spread at that time brought down mortality fast, by introducing things like basic hygiene.

He was a surgeon, not a “barefoot doctor.”