Seroprevalence of pertussis among healthcare workers: A cross-sectional study from Tunisia.

Abstract:

:This cross-sectional study aimed to assess pertussis seroprevalence among healthy healthcare workers (HCW) of the Children's Hospital of Tunis, Tunisia. During the study period, 236 blood samples were obtained to determine HCW exposure to pertussis. Concentrations of immunoglobulin G (IgG) to pertussis toxin (PT) were measured using a commercial enzyme-linked immunosorbent assay. Cut-offs values used were 40 and 100 IU/ml, respectively indicative of an infection within the last year and a current/recent infection. Overall, seropositivity rate was 11.4% (95% CI 7.4-15.5) and 2.5% (95% CI 0.5-4.6) of ELISA results were indicative of a current infection. Seroprevalence was significantly most important in nurses (p = 0.03) and in participants aged 21-31y (p = 0.009). Our study confirmed that pertussis is circulating in hospital settings and affecting Tunisian HCW, in close contact with infants. Therefore, a booster dose of acellular pertussis vaccine needs to be considered.

journal_name

Vaccine

journal_title

Vaccine

authors

Ben Fraj I,Smaoui H,Zghal M,Sassi O,Guiso N,Kechrid A

doi

10.1016/j.vaccine.2018.11.023

subject

Has Abstract

pub_date

2019-01-03 00:00:00

pages

109-112

issue

1

eissn

0264-410X

issn

1873-2518

pii

S0264-410X(18)31546-9

journal_volume

37

pub_type

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