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Volume 11, Number 4—April 2005

Letter

Bordetella pertussis in Adult Pneumonia Patients1

Kirsten A. Beynon*, Sheryl A. Young*, Richard T.R. Laing†, Timothy G. Harrison‡, Trevor P. Anderson*, and David R. Murdoch*†Comments to Author 
Author affiliations: *Canterbury Health Laboratories, Christchurch, New Zealand; †Christchurch School of Medicine and Health Sciences, Christchurch, New Zealand; ‡Health Protection Agency, London, United Kingdom

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Table

Characteristics of adults with pneumonia and evidence of recent Bordetella pertussis infection

Characteristic Definite evidence 
of recent 
B. pertussis infection (n = 8) Possible evidence 
of recent 
B. pertussis infection (n = 18)
Median age (range) 68 (37–86) y 71 (34–95) y
Male:female 4:4 13:5
Current or ex-smokers 6 (75%) 16 (89%)
Median (range) duration of symptoms at admission 8.5 (1–21) d 3.5 (1–30) d
Presence of cough 8 (100%) 15 (83%)
Sputum production 6 (75%) 7 (39%)
Other respiratory tract pathogens identified 6 (75%) 11 (61%)

1 Presented at the Community Acquired Pneumonia Conference, Deerhurst Resort, Ontario, Canada, September 10–12, 2003.

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