lunes, 1 de marzo de 2010

The deadliest most aweinspiring of the plagues

Yellow fever was a terrifying plague until Finlay and Reed showed a way to combat it by demonstrating that it's transmitted by mosquitoes

Source:
http://www.iayork.com/MysteryRays/2010/02/24/the-deadliest-most-awe-inspiring-of-the-plagues/

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