For most of human history it would be difficult for our traveler to avoid smallpox, cowpox, and variations of influenza unknown to modern times; lepers and plague victims would warrant a wide berth.
influenza
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Cutting through the H1N1 hype
Cutting through the H1N1 hype Flu epidemics can start off with a mild form, followed by a “second wave” caused by a more dangerous strain that can lead to an […]