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Jesse William Lazear (May 2, 1866 – September 25, 1900) was an American physician, best known for deliberately allowing a mosquito to bite him to prove it was how yellow fever was transmitted. His hypothesis was correct and he died 17 days after the transmission.
- American
- 2 May 1866, Baltimore
Lazear died of yellow fever on September 25, 1900, at age 34. "He was a splendid, brave fellow," wrote Walter Reed, the head of the Yellow Fever Board, "and I lament his loss more than words...
- American Experience
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Apr 30, 2024 · Jesse William Lazear (born May 2, 1866, Baltimore county, Md., U.S.—died Sept. 26, 1900, Quemados, Cuba) was an American physician and member of the commission that proved that the infectious agent of yellow fever is transmitted by a mosquito, later known as Aëdes aegypti.
- The Editors of Encyclopaedia Britannica
Aug 28, 2013 · Whether accidental or deliberate, Lazear contracted yellow fever. He wrote to his wife on September 8, 1900, that he believed he was on the right track, and he may have already been infected. On September 25, 1900, he died, leaving a widow, a one-year-old son, an infant daughter, and a promising future.
Nov 13, 2019 · On Sept. 18, Jesse Lazear contracted yellow fever, and died from the disease on Sept. 25. 15. For over 100 years, historians have debated the circumstances that led to Lazear’s death. In Lazear’s notebook, he records that he administered a bite from an infected mosquito to a test subject known as “Guinea Pig No. 1” around Sept. 18.
Oct 30, 2006 · In less than two weeks, after several days of delirium and black vomit, Jesse Lazear was dead.
Jesse Lazear died of yellow fever. His death shocked the others on the team in Cuba. But they continued their work. More people let themselves be bitten by mosquitoes. Others were injected with blood from victims of yellow fever. Some people in this test group developed the disease, but all recovered to full health.