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Volume 12, Number 11—November 2006

Research

Gastroenteritis and Transmission of Helicobacter pylori Infection in Households1

Sharon Perry*Comments to Author , Maria de la Luz Sanchez*, Shufang Yang*, Thomas D. Haggerty*, Philip Hurst†, Guillermo Perez-Perez‡, and Julie Parsonnet*
Author affiliations: *Stanford University School of Medicine, Stanford, California, USA; †Santa Clara County Health and Hospital Systems, San Jose, California, USA; ‡New York University School of Medicine, New York, New York, USA

Main Article

Table 2

Case listing of 30 new infections*

Household–contact no. Age (y) GE Criteria
No. Helicobacter pylori–infected contacts
IgG Stool IgM Without GE With diarrhea With vomiting
Definite
1–1 1.2 D/V + + - 1 0 0
2–1 1.3 D/V + + - 2 0 0
3–1 1.5 D/V + + - 2 1 0
4–3 10 D/V + + 0 0 2
5–5† 11 D/V + + 0 3 1
6–3 23 D + + 0 0 1
7–2 37 D + + 3 0 1
Probable
8–1 0.74 D/V + + 1 0 0
9–1 0.77 V + + 0 0 0
10–1 2.3 D/V + (B) + 0 0 0
11–1 3.6 D/V + (B) + 0 1 0
12–2† 21 + (B) + 2 0 0
13–2 23 D + (B) + 0 0 1
14–2 42 + (B) + 0 0 0
Possible
15–5 0.3 + 0 0 0
16–1 0.33 D + - 1 0 0
17–1 0.6 D/V + - 4 0 0
18–1 0.8 D/V + 0 0 0
19–1 0.9 D/V + - 1 0 0
20–1 1.0 D + - 1 0 0
21–1 1.1 D/V + - 1 0 0
22–1 1.2 D/V + 0 1 0
23–1 1.3 D/V + - 0 0 0
24–1 1.9 D/V + 3 0 0
25–1 6.3 D + 0 0 0
26–3 7 + (B) - 1 0 1
5–3† 7.6 D/V + (B) - 0 3 1
28–1 7.8 V + (B) - 3 0 0
29–4 8.5 + 2 0 0
12–4† 12.2 + (B) - 0 0 0

*GE, gastroenteritis; D, diarrhea only; V, vomiting only; D/V, diarrhea with vomiting; B, borderline seroconversion with >4-fold increase in H. pylori titer.
†Cases occurring within the same household.

*GE, gastroenteritis; D, diarrhea only; V, vomiting only; D/V, diarrhea with vomiting; B, borderline seroconversion with >4-fold increase in H. pylori titer.
†Cases occurring within the same household.

*GE, gastroenteritis; D, diarrhea only; V, vomiting only; D/V, diarrhea with vomiting; B, borderline seroconversion with >4-fold increase in H. pylori titer.
†Cases occurring within the same household.

Main Article

1Portions of this manuscript were presented in preliminary form at Digestive Disease Week 2005, May 15–19, Chicago, Illinois, USA.

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