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PLoS One. 2019 Aug 1;14(8):e0220705. doi: 10.1371/journal.pone.0220705. eCollection 2019.

Does the availability of influenza vaccine at prenatal care visits and of immediate vaccination improve vaccination coverage of pregnant women?

Author information

1
Maternité Port-Royal, Université Paris Descartes, Groupe hospitalier Cochin Broca Hôtel-Dieu, Assistance Publique-Hôpitaux de Paris, Paris, France.
2
DHU Risques et Grossesse, PRES Sorbonne Paris Cité, Paris, France.
3
Maternité Louis-Mourier, Université Diderot Paris 7, Hôpitaux Universitaires Paris Nord Val-de-Seine, Assistance Publique Hôpitaux de Paris, Colombes, France.
4
Maternité Bichat-Claude Bernard, Université Diderot Paris 7, Hôpitaux Universitaires Paris Nord Val-de-Seine, Assistance Publique Hôpitaux de Paris, Paris, France.
5
Université Paris Descartes, Sorbonne Paris Cité, Inserm, CIC 1417, AP-HP, Groupe Hospitalier Cochin-Broca-Hôtel-Dieu, Centre d'investigation Clinique Cochin-Pasteur,Paris, France.
6
Unité INSERM U953, Recherche épidémiologique en santé périnatale et santé des femmes et des enfants, UPMC, Paris, France.

Abstract

INTRODUCTION:

Although vaccination against influenza is recommended for pregnant women in France because it exposes them to a risk of death and severe respiratory complications, their vaccination coverage in 2016 was estimated at 7%. This study's principal objective was to assess the association between the availability of influenza vaccination at prenatal care visits and vaccination coverage.

MATERIAL AND METHODS:

This multicenter survey took place in 3 Paris-area public hospital (AP-HP) maternity wards (A, B, and C). Only maternity ward A offered the vaccine and vaccination without charge at prenatal visits. Data were collected from parturients during 10 days in January 2017 by a self-administered anonymous questionnaire.

RESULTS:

Data from 248 women showed overall vaccination coverage of 19.4% (48/248): 35.4% (46/130) in maternity unit A, 2.7% (2/75) in B, and 0% (0/43) in C (P<0.01). After adjustment for socio-demographic characteristics, women at maternity ward A were significantly more likely to be vaccinated than those at B and C (aOR 25.52, 95%CI [5.76-113.10]). Other factors significantly associated with higher vaccination coverage were the mother's French birth (aOR 2.37 CI [1.03-5.46]) and previous influenza vaccination (aOR 3.13, 95%CI [1.25-7.86]). Vaccinated women generally considered they had received adequate information (aOR 4.15 CI [2.10-8.22]), principally from the professional providing their prenatal care. Nonvaccination was attributed to the absence of an offer of vaccination (81.5%), fear of fetal side effects (59.5%), and inadequate information (51.4%).

CONCLUSION:

Our results show that availability of influenza vaccination, free of charge, at prenatal consultations at the maternity ward increases vaccination coverage significantly.

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