[1] Born and raised in Guangdong, China, Chan moved to British Hong Kong in the 1940s because of the Chinese Civil War.
According to his son Gerald, he used to loan money to his friends to pay for their children's school fees.
His mother, Tan Chingfen, was a nurse who, in the 1950s, gave cholera vaccinations to the neighbourhood children in the family kitchen.
[2][3] Harvard officials said the money would be used in four areas: pandemics, including obesity, cancer, and the Ebola outbreak in West Africa; harmful environments, including pollution and violence; poverty and humanitarian crises; and failing health systems.
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