Consequently, the consumption of minimally processed vegetables
contaminated with L. monocytogenes may cause listeriosis
in humans. An outbreak of listeriosis in Canada in
1981 was linked to the consumption of coleslaw contaminated
with L. monocytogenes(9), and one of the largest outbreaks
of listeriosis, which occurred in 2011 and included
several states in the U.S., was caused by consumption of
fresh cantaloupe (10)