Edmunds

"It is surprisingly difficult to calculate the death rate during an epidemic," said John Edmunds, a professor in the Center for the Mathematical Modeling of Infectious Diseases, at the London School of Hygiene & Tropical Medicine.

Based at Caistor St Edmunds, a few miles south of present-day Norwich, the Iceni were a Celtic tribe whose warrior queen Boudicca led a failed uprising against the occupying Romans, during which the towns of Londinium (London), Camulodunum (Colchester) and Verulamium (St Albans) were sacked.