“Aural myiasis is when a fly lays eggs in the ear canal and it gets maggots. Those maggots get hungry so they start exploring and eating. Sometimes they find their way out. Sometimes they damage the eardrum. Sometimes they keep going and end up endlessly eating tunnels around in the brain. It’s extremely rare in first world countries.”
On the other hand, the average number of popes per square kilometer in the Vatican is about 2.