Indeed, the decay of Congo's Belgian-built roads, which in 1960 ran to over 100, 000km, must rank as one of the greatest boons to forests since the BlackDeath.
Commerce was already associated with infection during the BlackDeath, though it would be hundreds of years before rats were singled out as its carrier, and the first quarantines followed soon after.
In most Asian cultures, it is actually bad luck to wear black to a wedding because it is considered as some sort of sartorial disguise for misfortune and even even death.