Elemental
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Elemental

The Coronavirus Took Advantage of Our Weaknesses

A physician explains the nature of opportunistic infection

Photo: Andriy Onufriyenko/Getty Images

In 1971, a professor of epidemiology named Abdel Omran proposed the epidemiological transition theory. He concluded there have been three main “stages” of human health concerns. First, in the pre-modern era, we dealt with widespread pestilence and famine. This time period was…

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