A BBC history feature on the outbreaks of Bubonic Plague which swept Britain from 1348 through to 1375.
Black Death Blamed on Man not Rats
An article from the Observer, suggesting the Black Death was not bubonic plague spread by rats, but haemorrhagic plague, a virus spread by humans.
London Plagues 1348–1665
The Museum of London's feature on the Black Death of 1348 and the Great Plague of 1665, and nearly 40 other outbreaks between 1348 and 1665.