[/nq] To start with, that sentence is very badly punctuated. I will defer to those more knowledgable than I who may comment, but I would write it this way: "Yellow fever (the disease that killed 4,000 philadelphians in 1793, and so decimated Memphis Tennessee that the city lost its charter) has reappeared after nearly two decades in abeyance in the Western Hemisphere. [/nq] It mans that no one in the Western Hemisphere has contracted Yellow Fever in the past 20 years.
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