GriCoVax Study in 4 Maternity Wards in the Ile-de-France Region

Multicentre, descriptive study conducted in a declarative manner and supplemented by direct observation by an investigator. Main objectives: * Assess existing practices of the various actors involved in flu and pertussis vaccination of pregnant or postpartum women medically followed in maternity wards. * Assess acceptability of pertussis and flu vaccination during pregnancy by women medically followed in maternity wards, and by health professionals of theses facilities. Secondary objectives: * Assess flu and pertussis immunization coverage of pregnant and postpartum women and of health professionals working in maternity wards. * Assess the links between immunization coverage of health professionals and their current practices in promoting flu and pertussis vaccination of women in maternity wards. Main outcome measures: * Identify in each maternity hospital facilitators of flu and pertussis vaccination. * Proportion of women willing to be vaccinated against pertussis and flu during pregnancy. * Proportion of health professionals agreeing to vaccinate pregnant women against flu and pertussis. Secondary endpoints: * Flu and pertussis immunization coverage of pregnant and postpartum women. * Flu and pertussis immunization coverage of health professionals. * Proportion of patient records with vaccination trace. * Link between understanding of vaccines and vaccine-preventable diseases, and immunization coverage of health professionals. * Link between attitudes and practices of health professionals, and immunization coverage of patients. * Link between immunization coverage of patients and health professionals.