Lead: Before they could build the Panama Canal, American engineers had to eradicate malaria and yellow fever.

Tag: A Moment in Time with Dan Roberts.

Content: Attempting to duplicate their triumph in the construction of the Suez Canal, French engineers were defeated in great measure by two deadly diseases. Malaria and yellow fever had for time immemorial been the curse of the tropics. Thousands died before the French gave up the quest in the 1880s.

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