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Volume 9, Number 10—October 2003

Research

Characterization of Waterborne Outbreak–associated Campylobacter jejuni, Walkerton, Ontario

Clifford G. Clark*Comments to Author , Lawrence Price*, Rafiq Ahmed*, David L. Woodward*, Pasquale L. Melito*, Frank G. Rodgers*, Frances Jamieson†, Bruce Ciebin†, Aimin Li†, and Andrea Ellis‡
Author affiliations: *Health Canada, Winnipeg, Manitoba, Canada; †Ontario Ministry of Health, Toronto, Ontario, Canada; ‡Health Canada, Guelph, Ontario, Canada

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Table 2

Characteristics of Campylobacter jejuni strains from human patientsa

Species Biotypea HS type Fla-RFLP type PFGE type using SmaI PFGE type using KpnI No. strains Outbreak type
Campylobacter jejuni
II
O:2
1
CASAI.0001
CAKNI.0001
13
1
C. jejuni
II
O:2
1
CASAI.0001
CAKNI.0001
1
NER
C. jejuni
II
O:2
1
CASAI.0002
CAKNI.0002
8
1
C. jejuni
II
UTa
1
CASAI.0002
CAKNI.0002
1
1
C. jejuni
II
O:2
1
CASAI.0002
CAKNI.0002
2
NER
C. jejuni
II
O:2
1
CASAI.0002
CAKNI.0036
1
NER
C. jejuni
II
O:2
1
CASAI.0002
CAKNI.0003
1
1
C. jejuni
hipp.neg.a
O:2
1
CASAI.0002
CAKNI.0003
1
1
C. jejuni
II
O :2
1
CASAI.0004
CAKN1.0001
2
1
C. jejuni
II
O:2
1
CASAI.0011
CAKNI.0001
1
1
C. jejuni
II
O:2
1
NDa
ND
14
1
C. jejuni
II
O:2
ND
ND
ND
20
1
C. jejuni
II
O:2
ND
ND
ND
1
NER
C. jejuni
II
O:2
ND
ND
ND
28
1
C. jejuni
II
UT
ND
ND
ND
1
NER
C. jejuni
hipp. neg.
O:2
34
CASAI.0003
CAKNI.0003
9
2
C. jejuni
hipp. neg.
O:2
34
CASAI.0003
CAKNI.0003
1
2
C. jejuni
II
O1,44
2
CASAI.0012
CAKNI.0012
1
NER
C. jejuni
I
O:3
ND
ND
ND
1
NER
C. jejuni
II
O:4 complex
93
ND
ND
2
Not defined
C. jejuni
II
O:4 complex
93
ND
ND
1
NER
C. jejuni
II
O:4 complex
ND
ND
ND
1
NER
C. jejuni
II
O:4 complex
90
CASAI.0030
CAKNI.0024
1
NER
C. jejuni
I
O:4 complex
94
ND
ND
1
NER
C. jejuni
II
O:4 complex
90
ND
ND
1
Not defined
C. jejuni
II
O:17 complex
1
ND
ND
1
NER
C. jejuni
I
O:11
91
CASAI.0029
CAKNI.0026
1
NER
C. jejuni
III
O:17 complex
5
ND
ND
1
Not defined
C. jejuni
I
O:17 complex
99
ND
ND
1
NER
C. jejuni
III
O:21
5
ND
ND
1
Not defined
C. jejuni
IV
O:21
5
ND
ND
1
NER
C. jejuni
II
O:17 complex
4
ND
ND
1
Not defined
C. jejuni
III
O:17 complex
5
ND
ND
1
Not defined
C. jejuni
III
O:17 complex
5
ND
ND
1
NER
C. coli
I (C. coli)
O:34
36
CASAI.0020
CAKNI.0025
1
NER
C. jejuni
II
O:35
92
ND
ND
1
NER
C. coli I O:47 82 CASAI.0010 CAKNI.0004 1 NER

aHS, heat-stable; RFLP, restriction fragment length polymorphism; PFGE, pulsed-field gel electrophoresis; NER, not epidemiologically related to the outbreak; UT, untypeable; hipp. neg., lack of hippurate hydrolysis in C. jejuni strains; ND, not determined

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