Maintain isolation - practice good hygiene - wear a mask - be kind. We all know these methods of fighting COVID-19, but this prescription comes from the 1918 experience of Dr. Pierre Sartor, who battled the worldwide influenza pandemic in his small town of Titonka, Iowa. Dr. Sartor wrote an inspiring first-person account of how he treated more than 1,000 patients - and by his reckoning, lost only five - which lay forgotten in a lockbox of...