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    Walter Reed
    Science1900sMedicine

    Walter Reed

    Army doctor who proved how yellow fever spreads.

    Their Story

    Walter Reed was a U.S. Army physician who led research on the deadly disease yellow fever. His team confirmed that the disease is spread by mosquitoes, not by direct contact between people. This discovery led to mosquito-control efforts that saved many lives.

    Era

    1900s

    Field

    Medicine