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    Bordetella pertussis infection in paediatric healthcare workers
    (W B Saunders Co Ltd, 2015-06-01) Cunegundes, K. S. A. [UNIFESP]; Moraes-Pinto, M. I. de [UNIFESP]; Takahashi, T. N. [UNIFESP]; Kuramoto, D. A. B. [UNIFESP]; Weckx, L. Y. [UNIFESP]; Universidade Federal de São Paulo (UNIFESP)
    An increased incidence of pertussis has been observed recently in adults, and healthcare workers (HCWs) are considered a risk group for transmission to infants. Prevalence of recent pertussis infection was assessed in HCWs from a paediatric department of a tertiary care hospital in Brazil. Serum pertussis toxin IgG antibodies were measured by enzyme-linked immunosorbent assay. of 388 HCWs included in the analysis, 6.4% had serology suggestive of recent infection. Medical residents [odds ratio (OR): 4.15; 95% confidence interval (CI): 1.42-12.14; P = 0.009] and those working >40 h a week (OR: 3.29; 95% CI: 1.17-9.26; P = 0.024) had increased risk of pertussis infection. (C) 2015 the Healthcare Infection Society. Published by Elsevier B.V. All rights reserved.