 Another food source was the villages around London which, denied of their usual sales in the capital, left vegetables in specified market areas, negotiated their sale by shouting, and collected their payment after the money had been left submerged in a bucket of vinegar to "disinfect" the coins.Records state that plague deaths in London and the suburbs crept up over the summer from 2,000 people per week to over 7,000 per week in September.These figures are likely to be a considerable underestimate.