Sudden Increases in Listeriosis Rates in England and Wales, 2001 and 2003

The monthly incidence of listeriosis infections in England and Wales had 2 sudden increases during April 2001 (41%) and March 2003 (48%). Although no causative association is demonstrated, these increases correspond to key dates relating to the onset and aftermath of the 2001 foot and mouth disease outbreak in the United Kingdom. Emerg Infect Dis. 2009;15(3):465-8.