In 2000, FoodNet conducted a case-control study to identify risk factors for sporadic listeriosis and to describe the spectrum of illness. Results identified two new possible risk factors: eating melons at a commercial establishment and eating hummus prepared in a commercial establishment.
An electronic copy of the questionnaire and protocol is not currently available. Please use the contact information to the right to request a copy.
Reference:
Varma JK, Samuel MC, Marcus R, Hoekstra RM, Medus C, Segler SD, Anderson BJ, Jones TF, Shiferaw B, Haubert N, Megginson M, McCarthy PV, Graves LM, Van Gilder T. Listeria monocytogenes infection from food in the regulatory era: A case-control study of risk factors for sporadic illness in the United States. Clin Infect Dis. 2007;44(4):521-528.
