The internet is awash with comparisons between life during COVID-19 and life during the Bubonic plague. The two have many similarities, from the spread of misinformation and the tracking of mortality figures, to the ubiquity of the question “when will it end?” But there are, of course, crucial differences between the two. Today, when looking for information on the incidence, distribution, and likely outcome of the pandemic, we turn to epidemiologists and infectious disease models. During the Bubonic plague, people turned to astrologers. Exploring the role played by astrologers in past epidemics reminds us that although astrology has been debunked, it was integral to the development of medicine and public health. The Flu, Written in the Stars Before germ theory
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