Pertussis immunization within three adult populations concerned by cocoon strategy in Île-de-France

Revue D'épidémiologie Et De Santé Publique
M-C Lempereur de GuernyHenri Partouche

Abstract

Pertussis is a highly contagious respiratory tract infection with a high morbi-mortality in non or insufficiently immunized infants. Cocoon strategy was implemented in France in 2004 in order to reduce the disease incidence. The main objective of the study was to estimate immunization coverage according to cocoon strategy among eligible adults in three different settings in Île-de-France. A descriptive survey was carried out by means of the same questionnaire addressed to relatives of children hospitalized in pediatric wards, to adults living under the same roof as children enrolled in nursery school, and to grandparents who consulted general practitioners. The main outcome was pertussis vaccination of the adult before the child reached 6 months of age. Parent's and grandparent's knowledge about pertussis and medical advice received about cocooning were assessed. The statistical analysis searched for determinants of vaccination according to cocoon strategy. Between August 2014 and March 2015, 383 adults were included within the scope of the survey of whom 250 had a vaccination status that could be verified. Immunization coverage was 59%, 33% and 31% respectively in relatives of children hospitalized in pediatric wards, in adult...Continue Reading

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