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Volume 23, Number 6—June 2017

Research

Outbreak-Related Disease Burden Associated with Consumption of Unpasteurized Cow’s Milk and Cheese, United States, 2009–2014

Solenne CostardComments to Author , Luis Espejo, Huybert Groenendaal, and Francisco J. Zagmutt
Author affiliations: EpiX Analytics, Boulder, Colorado, USA (S. Costard, H. Groenendaal, F.J. Zagmutt); Consultant, St. Augustine, Florida, USA (L. Espejo)

Main Article

Table 2

Incidence rates and risk differences for illness and hospitalization per 1 billion servings of milk or cheese, by pasteurization status and pathogen, United States, 2009–2014*

Pathogen
Illnesses

Hospitalizations
Unpasteurized
Pasteurized
Risk difference†
Unpasteurized
Pasteurized
Risk difference†
STEC 3.5 
(2.7–4.5) 3.4 x 10−4 (3.1 x 10−7 to 1.7 x 10−3) 3.5 
(2.7 to 4.5) 0.9 
(0.6 to 1.2) 3.4 x 10−4 (3.0 x 10−7 to 1.7 x 10−3) 0.9 
(0.6 to 1.2)
Salmonella spp. 49.1 
(32.7–76.7) 3.4 x 10−4 (3.3 x 10−7 to 1.7 x 10−3) 49.1 
(32.7 to 76.7) 0.6 
(0.4 to 0.9) 3.5 x 10−4 (3.4 x 10−7 to 1.7 x 10−3) 0.6 
(0.4 to 0.9)
Listeria monocytogenes 0.04 
(0.003–0.100) 0.1 
(0.08 to 0.12) −0.06 
(−0.11 to 0.02) 0.03 
(2.2 x 10−3 to 0.1) 0.06 
(0.05 to 0.07) −0.03 
(−0.06 to 0.04)
Campylobacter spp.
39.0 
(30.8–48.3)
5.8x10−3 (2.4 x 10−3 to 1.1 x 10−2)
39.0 
(30.8 to 48.3)

1.2 
(0.9 to 1.5)
3.5 x 10−4 (3.5 x 10−7 to 1.7 x 10−3)
1.2 
(0.9 to 1.5)
Overall 91.7 
(71.8–120.9) 0.11 
(0.09 to 0.13) 91.6 
(71.7 to 120.8) 2.7 
(2.2 to 3.3) 6.1 x 10−2 (4.9 x 10−2 to 7.5 x 10−2) 2.7 
(2.2 to 3.2)

*Values are shown as mean incidence (95% credibility interval). STEC, Shiga toxin–producing Escherichia coli.
†Excess risk is attributable to unpasteurized dairy.

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