USA - Annual foodborne illness averages down 15%: CDC
In 2007, the total number of foodborne outbreaks decreased by 8% when compared to the annual averages from 2002-2006. The total number of illnesses also deceased 15% when compared with the annual averages for the same period of time.
Of the 497 outbreaks attributed to a single etiologic agent, bacteria caused 259 (52%), viruses caused 199 (40%), chemical agents 34 (7%) and parasites caused five (1%) of the outbreaks.