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In Lazear's breakthrough discovery, mosquitoes that had fed on an active case of yellow fever 12 days before did indeed transmit the disease to two volunteers during experiments...
- American Experience
Aug 28, 2013 · Picking up on the research of Finlay and Sir Ronald Ross, Lazear conducted a series of experiments proving that certain types of mosquitoes transmitted a virus that caused yellow fever and malaria. Next began the work to develop a vaccine. The official story is that Lazear became accidentally infected with yellow fever while working on a vaccine.
Apr 30, 2024 · Jesse William Lazear 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. Lazear received his medical degree (1892) from the College of Physicians and Surgeons of Columbia University.
- The Editors of Encyclopaedia Britannica
It was critical that, in some experiments, Lazear’s mosquitoes fed on patients in the earliest days of yellow fever infection while the patients were still viremic. Only then does the mosquito stand a chance of becoming infected.
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.
Carlos Finlay, a Cuban doctor and researcher, theorized that mosquitoes were responsible for transmitting the disease by biting an infected person and carrying the disease to an uninfected...
Sep 2, 2019 · Jesse Lazear hatched Carlos Finlay’s mosquito eggs and let the mosquitoes feed on patients infected with yellow fever at a Havana hospital. The mosquitoes were then allowed to feed on study volunteers over a period of two weeks—yet no infections resulted.
