In his 30 years of practice he's seen rare bacteria, common bacteria, common bacteria in rare places, complications you can't name, and stories that will make you scrub your hands until they're raw and char your food until it's in cinders. Mycobacteria that cause skin infections can grow in old bomb craters left over from World War II. Acute HIV infection can present as meningoencephalitis. If it's got a flagellum, the Puswhisperer has seen it and tried to kill it. He shares his fourth volume of pearls with anyone who loves infectious disease and the organisms that infect us.