I recently came across Round the Red Lamp, a delightful volume of medical-themed short stories and other medical writings of Sir Arthur Conan Doyle, a medical doctor and the creator of Sherlock Holmes. Among its many treasures are two of his letters that were printed in newspapers in 1887 on the subject of compulsory vaccination.
Primum non nocere is a Latin phrase meaning “first do no harm.” It is commonly attributed to Hippocrates, but if he ever said any such thing, he certainly didn’t say it in Latin. He lived in ancient Greece from 430 BC to 370 BC and presumably spoke Greek. The phrase, in English and in Latin,