The Forum in Rome, dedicated to Julius Caesar, was completed in 46 B.C. as a site for conducting public business generally related to the Roman Senate. Much later, during the 16th century, the site was still usable—Renaissance-era people used it as a hospital. Doctors of the time knew that diseases could be infectious, so they set up protocols for dealing with them and the clothes and tools used to treat ill patients.Prior research has shown that doctors and medical researchers in Italy played a major role in establishing protocols, such disposal of instruments after a single use, and disposing of...