Fred L. Soper (1893-1977) was an American epidemiologist and public health administrator who won a Lasker Award in 1946 for organizing successful campaigns to eradicate yellow fever and malaria between 1927 and 1945. Soper giving Yellow fever vaccinations in Belem, Brazil 1930's

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Keywords: ., 20th, american, award, belem, brazil, brazilian, century, epidemiologist, fever, fred, lasker, malaria, photograph, photography, soper, vacinations, yellow