Wu Lien-teh

Wu Lien-teh was a Malayan-born Chinese physician who pioneered modern public health in China and helped control the 1910–1911 Manchurian plague.

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1910–1911 Manchurian plague: A pneumonic plague epidemic that spread through northeastern China from 1910 to 1911. Wu led the campaign that contained this epidemic and established his reputation as a public-health leader.
N95 respirator: A tight-fitting respirator designed to filter at least 95 percent of airborne particles under specified test conditions. Wu promoted a gauze-and-cotton face covering during the epidemic, an early precursor to modern respiratory protection.
Gerald Mesny: A French physician who worked in China and died of plague during the 1910–1911 epidemic. Mesny’s death after refusing a face covering reinforced Wu’s case for protective masks.
Public health in China: The institutions, policies, and practices used to protect and improve population health in China. Wu’s reforms helped build modern public-health capacity in China.
Harbin: A major city in northeastern China, situated near the Russian border. The epidemic reached Harbin, where Wu organized isolation and other control measures.
Quarantine: The restriction of movement of people who may have been exposed to an infectious disease. Movement controls helped limit the spread of plague between affected settlements.
Richard Pearce: A British physician and medical administrator who worked in China. Pearce was among the international medical figures involved in the response to the Manchurian plague.
Harbin Medical University: A medical university in Harbin, China, established in 1926. The institution traces its origins to medical education and public-health initiatives associated with Wu’s era.
Pneumonic plague: A severe form of plague that infects the lungs and can spread between people through respiratory droplets. Identifying this form of plague shaped Wu’s response to person-to-person transmission.
Contact tracing: The process of identifying and monitoring people exposed to an infectious disease case. Tracking cases and contacts supported the epidemic’s containment measures.