<p><span class="deck">Yellow fever killed 4,000 in Philadelphia in 1793, and puzzled doctors ignored the real clue to blame “miasmata” in the air.</span></p>
<p><span class="deck">Underschooled and ill-equipped, the men who attended the pioneers practiced a rugged brand of medicine—but they made some major advances all the same</span></p>
<p><span class="deck"><span class="typestyle">The mysterious diseases that nearly wiped out the Indians of New England were the work of the Christian God — or so both Pilgrims and Indians believed.</span></span></p>
<p><span class="deck"><span class="typestyle">A disease that no one understood laid waste a major American city. Five thousand died in two months, and Memphis was never the same again.</span> </span></p>
<p><span class="deck"><span class="typestyle">American medicine in a crucial era was at once surprisingly similar and shockingly different from what we know today. You could get aspirin at the drugstore, and anesthesia during surgery. But you could also buy opium over the counter, and the surgery would be more likely to be performed in your kitchen than in a hospital.</span> </span></p>
<p><span class="deck">In the past 70 years, while several major diseases have been eradicated, one has risen from obscurity to take its place among the nation’s leading killers.</span></p>
<p><span class="deck">A murderous disease was ravaging the south in 1914. Then one brave and determined doctor discovered the cure — and nobody believed him.</span></p>
<p>Toward the end of World War I, American doctors fought an invisible enemy on the home front — a pandemic that would kill more people than any other outbreak of disease in human history.</p>
<p>Masks and "social distancing" are nothing new. Over the centuries, Americans have suffered terribly from smallpox, yellow fever, cholera, typhoid, pellagra, influenza, polio, and other pandemics.</p>