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Volume 11, Number 1—January 2005

Letter

Bordetella pertussis Isolates, Finland

Johanna Mäkinen*†Comments to Author , Jussi Mertsola‡, Frits R. Mooi§, Shirley Van Amersfoorth‡, Heikki Arvilommi*, Matti K. Viljanen‡, and Qiushui He*
Author affiliations: *National Public Health Institute, Turku, Finland; †Turku Graduate School of Biomedical Sciences, Turku, Finland; ‡University of Turku, Turku, Finland; §National Institute of Public Health and the Environment, Bilthoven, the Netherlands

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Table 1

Characteristics of the patients and B. pertussis isolates of the Paimio outbreak*

Isolate PRCB School Age of patient (y) Sampling time (m/d/y) Days of cough at the sampling Fim ptxS1 prn tcfA RFLP PFGE
9 4 09/05/92 Asymptomatic 2 A 4 2 29 1
10 A 8 09/17/92 14 2 A 2 2 12 2
12 A 8 09/23/92 8 2 A 2 2 29 2
13 A 8 09/23/92 12 2 A 2 2 29 2
14 5 09/29/92 7 2 A 2 2 Nd 2
15 36 09/29/92 1 2 A 2 2 29 2
18 42 10/20/92 10 2 A 2 2 Nd 2
17 A 10 10/20/92 7 2 A 2 2 29 2
20 A 11 10/21/92 7 2 A 2 2 29 2
19 50 10/27/92 1 2 A 2 2 Nd 2
21 A 9 10/29/92 5 2 A 2 2 29 2
22 A 10 11/03/92 5 2 A 2 2 29 2
24 A 10 11/03/92 7 2 A 2 2 29 2
25 A 11 11/03/92 14 2 A 2 2 29 2
23 A 9 11/03/92 15 2 A 2 2 29 2
27 A 12 11/03/92 15 2 A 2 2 29 2
26 A 12 11/03/92 16 2 A 2 2 29 2
28 A 12 11/03/92 21 2 A 2 2 29 2
29 29 11/09/92 7 2 A 2 2 Nd 2
31 A 12 11/13/92 3 2 A 2 2 Nd 2
30 A 8 11/18/92 8 2 A 2 2 Nd 2
35 36 11/20/92 7 2 A 2 2 29 2
34 B 11 11/20/92 7 2 A 3 3 Nd 3
38 B 11 11/24/92 3 2 A 3 3 29 3
40 B 12 11/24/92 2 2,3 A 3 3 Nd 3
39 B 11 11/24/92 5 2,3 A 3 3 29 3

*m, month; d, day, y, year; Fim, serotype; ptxS1, pertussis toxin subunit 1 allele; prn, pertactin allele; tcfA, tracheal colonization factor allele; RFLP, restriction fragment length polymorphism type; PFGE, pulsed-field gel electrophoresis pattern; Nd, not determined
†does not attend school

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