Scientists are finding clues to help quell the coronavirus in a most unlikely place. It's called sewage epidemiology and Louisiana isn't the only place where it's working.
A 15-ton ball of congealed fat, dubbed England's 'fatberg', was removed from a London sewer after an 10-day operation which involved dozens of workers. Area residents had been that their toilets would not flush and of a 'nauseating smell'.