Word: parnahyba
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...Jaguaribe River Valley of eastern Brazil, the gambiae spread more than 50,000 cases of malaria. In certain districts the mortality rate was as high as 10%. After leaving 90% of the Jaguaribeans feeble and impoverished, the gambiae continued their flight. If the mosquitoes should reach "the well-watered Parnahyba and Sâo Francisco River Valleys [in east-central Brazil]," wrote Mr. Fosdick, ". . . it would be impossible to prevent [their] spread to a large part of South. Central, and perhaps even North America. The Parnahyba Valley is 500 miles from Natal; the gambiae mosquitoes are already nearly half...
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