Covid-19: Déjà vu, all over again

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Tom Koch


Since the first reports of a novel corona virus appearing in Wuhan, China, the expanding pandemic has been treated as an almost unique, unprecedented event. Both academic and popular reports have called it "unprecedented" and at best, "the worst in a century." A brief glance at history argues, however, that there is little unusual about COVID-19 except, perhaps, the rapidity of its global spread. Otherwise its clinical and social realities are familiar, similar to a host of epidemic and pandemic experiences throughout our history. What may be most notable is that our failure to recognize recurring patterns of infectious disease introduction and expansion has caused a general failure to recognize the root sources of microbial evolution and population invasion. And assuming its uniqueness today may prevent us from systemic changes to prepare for the next.

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KOCH, Tom. Covid-19: Déjà vu, all over again. Medical Research Archives, [S.l.], v. 9, n. 4, apr. 2021. ISSN 2375-1924. Available at: <>. Date accessed: 14 may 2021. doi:
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