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Temper your excitement about the Covid vaccine
My article for The Spectator:Ever since Giacomo Pylarini, a physician working in the Ottoman Empire, sent a report to the Royal Society in 1701 that Turkish women believed pus from a smallpox survivor could induce immunity in a healthy person – and was dismissed as a dangerous quack – inoculation has been as much an art as a science. But it has proven to be the greatest life-saver of all time, eliminating smallpox and suppressing many other diseases.