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Volume 19, Number 3—March 2013
Dispatch

Virulence of Pertactin-Negative Bordetella pertussis Isolates from Infants, France

Hélène Bodilis1 and Nicole GuisoComments to Author 
Author affiliations: Institut Pasteur, Paris, France; Centre National de la Recherche Scientifique (CNRS)

Main Article

Table 2

Clinical signs and symptoms of vaccinated and unvaccinated pertussis patients, France, 2004–2007

Characteristics
No. patients/no. with characteristic (%)
p value*
Not vaccinated, n = 46
Received 1–2 doses, n = 12
Intensive care admission 18/34 (53) 0/11 (0) 0.001
Apnea 15/25 (60) 1/7 (14) 0.08
Cyanosis/desaturation 24/28 (86) 5/8 (62) 0.167
Syncopal episodes 12/26 (46) 0/8 (0) 0.03
Bradycardia 15/21 (71) 3/6 (50) 0.367
Deterioration of general condition 12/29 (41) 2/8 (25) 0.68
Malignant pertussis 1/29 (3) 0/8 (0) 1.0

*By Fisher exact test.

Main Article

1Current affiliation: Cochin Hospital, Paris, France

Page created: February 27, 2013
Page updated: February 27, 2013
Page reviewed: February 27, 2013
The conclusions, findings, and opinions expressed by authors contributing to this journal do not necessarily reflect the official position of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.
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