Though he lived and worked in the 18th and 19th centuries, the English physician Edward Jenner might have felt right at home in the culture war currently being fought over COVID-19 vaccines. Sometimes called the “Father of Immunology,” Jenner complained in harsh terms about those who opposed his theories, calling them “those little minded Persons who think everything impossible which does not come within the narrow sphere of their own comprehension.” That particular jab comes from an 1802 letter that Jenner sent to John Glover Loy, a fellow physician in…