Among the many difficulties imposed upon America by the pandemic, the scourge of anti-vaccine sentiment—and the preventable deaths caused as result—ranks among the most frustrating, especially for infectious-disease doctors like me.
People who are hospitalized with COVID-19 rarely refuse therapy, but acceptance of vaccines to help prevent infection has been considerably more limited. Seventy percent of Americans have received the initial complement of vaccine injections, and many fewer have received the boosters designed to address viral variants and confer additional protection. Why are so many people resistant to this potentially lifesaving treatment?
Some explanations are unique to our era—the awful weaponization of science in a deeply partisan political environment during the age of social media, for instance. But the concept of vaccine hesitancy is not new. Such hesitancy is, in a larger sense, a rejection of science—a phenomenon that far predates the existence of vaccines.
One of the earliest documented controversies in science denialism comes from the field of astronomy. In the third century B.C., the Greek astronomer Aristarchus of Samos proposed a heliocentric model of the universe. The idea that the Earth and planets might revolve around the sun, rather than the other way around, was shocking at the time, and Aristarchus’s theory was quickly rejected in favor of models such as those put forth by Aristotle and Ptolemy, both of whom insisted that the Earth was the center of the universe. The fact that Aristotle and Ptolemy remain better known today than Aristarchus shows the force of the rejection. It would be some 2,000 years before the notion was seriously reconsidered.
In the 1530s, the Polish astronomer Nicolaus Copernicus developed his own heliocentric model based on astronomical observations. Copernicus is remembered today primarily for this perspective-changing discovery. But it’s worth noting that he delayed publication of his findings…
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