Monday, August 29, 2011

Hunting for a Mass Killer in Medieval Graveyards

Beneath the Royal Mint Court, diagonally across the street from the Tower of London, lie 1,800 mute witnesses to the foresight of the city fathers in the year 1348. Recognizing that the Black Death then scourging Europe would inevitably reach London, the authorities prepared a special cemetery in East Smithfield, outside the city walls, to receive the bodies of the stricken.

By autumn, the plague arrived. Within two years, a third or so of London’s citizens had died, a proportion similar to that elsewhere in Europe. The East Smithfield cemetery held 2,400 of the victims, whose bodies were stacked five deep.

The agent of the Black Death is assumed to be Yersinia pestis, the microbe that causes bubonic plague today. But the epidemiology was strikingly different from that of modern outbreaks. Modern plague is carried by fleas and spreads no faster than the rats that carry them can travel. The Black Death seems to have spread directly from one person to another.

Click here to read this article from the New York Times