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Volume 15, Number 5—May 2009

Dispatch

Clostridium difficile in Retail Meat Products, USA, 2007

J. Glenn SongerComments to Author , Hien T. Trinh, George E. Killgore, Angela D. Thompson, L. Clifford McDonald, and Brandi M. Limbago
Author affiliations: University of Arizona, Tucson, Arizona, USA (J.G. Songer, H.T. Trinh); Centers for Disease Control and Prevention, Atlanta, Georgia, USA (G.E. Killgore, A.D. Thompson, L.C. McDonald, B.M. Limbago)

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Table

Source and characteristics of Clostridium difficile isolates obtained from retail meats sold in Tuscon, Arizona, USA, 2007*

Meat product No. samples cultured Total no. (%) positive Ribotype Toxinotype ΔtcdC, bp† PFGE type No. (%) positive
Ground beef (uncooked) 26 13 (50) 027 III 18 NAP1 1 (3.8)
NAP1-related 2 (7.7)
078 V 39 NAP7 8 (30.8)






NAP8
2 (7.7)
Summer sausage (ready to eat)
7
1 (14.3)
027
III
18
NAP1
1 (14.3)
Ground pork (uncooked) 7 3 (42.9) 027 III 18 NAP1-related 1 (14.3)



078
V
39
NAP7
2 (28.6)
Braunschweiger (ready to eat) 16 10 (62.5) 027 III 18 NAP1 2 (12.5)
NAP1-related 1 (6.2)



078
V
39
NAP7
7 (43.8)
Chorizo (uncooked) 10 3 (30.0) 027 III 18 NAP1-related 1 (10.0)



078
V
39
NAP7
2 (20.0)
Pork sausage (uncooked) 13 3 (23.1) 027 III 18 NAP1-related 1 (7.7)



078
V
39
NAP7
2 (15.4)
Ground turkey (uncooked)
9
4 (44.4)
078
V
39
NAP7
4 (44.4)
Totals 88 37 (42.0) 027 III 18 NAP1 4 (4.4)
NAP1-related 6 (6.7)
078 V 39 NAP7 25 (27.8)
NAP8 2 (2.2)

*All samples were positive for cdtB, which encodes the binding component of binary toxin. PFGE, pulsed-field gel electrophoresis.
†Deletions in tcdC regulatory gene.

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