Vaccination coverage during pregnancy and factors associated with refusal of recommended vaccinations: An Italian cross sectional study

Seravalli, Viola; Romualdi, Irene; Ammar, Oumaima; De Blasi, Chiara; Boccalini, Sara; Bechini, Angela; Di Tommaso, Mariarosaria

doi:10.1016/j.jvacx.2024.100483

Vaccine: X

2024

DOI: 10.1016/j.jvacx.2024.100483

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Vaccination coverage during pregnancy and factors associated with refusal of recommended vaccinations: An Italian cross sectional study

Viola Seravalli,

Irene Romualdi,

Oumaima Ammar

et al.

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2024

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Cited by 2 publications

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Efficacy of vaccination during pregnancy in reducing the risk of SARS-CoV-2 infection in infants younger than 12 months. Puglia (Italy), 2021–23

De Virgilio Suglia,

Stefanizzi,

Graziano

et al. 2024

Human Vaccines & Immunotherapeutics

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This retrospective cohort study evaluated the effectiveness of maternal vaccination against COVID-19 in reducing the risk of SARS-CoV-2 infection in infants younger than 12 months. The study, conducted at the “Policlinico” University Hospital of Bari, included 3346 newborns and their mothers. The study explored the degree of protection offered by maternal vaccination depending on the timing, type, and trimester of vaccination, also taking into account the mother’s history of infection. We compared the incidence rate of infection between children of vaccinated and unvaccinated mothers; the values were 10.2% and 18.1%, respectively, and the difference was statistically significant. The overall effectiveness of the vaccine against the infection was 45%. Further analysis revealed increasing efficacy as the doses of vaccine administered to the mother increased and in case of a previous history of maternal infection. Dual immune stimulation (vaccination and natural infection) was 83% effective in preventing infection among newborns. The multivariable models confirmed the protective effect of vaccination with all types of vaccines used. The analysis of infection’s incidence in newborns revealed an interesting temporal trend, with increasing incidence with time, suggesting a possible correlation with the persistence of maternal antibodies or with the gradual weaning. The results on the protective capacity of vaccines are in line with the global literature. Strengths of study include sample size, robust methodology, and multivariate analyses. Institutions could intensify awareness campaigns to encourage both pregnant women and all those who would like to become pregnant to receive SARS-CoV-2 vaccination.

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Efficacy of vaccination during pregnancy in reducing the risk of SARS-CoV-2 infection in infants younger than 12 months. Puglia (Italy), 2021–23

De Virgilio Suglia,

Stefanizzi,

Graziano

et al. 2024

Human Vaccines & Immunotherapeutics

View full text Add to dashboard Cite

show abstract

Impact of propensity to COVID-19 vaccination/vaccine on influenza vaccination from willingness to behavior among older adults in rural China

Zhang,

Shi,

et al. 2024

Human Vaccines & Immunotherapeutics

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To explore impact of the propensity to coronavirus disease 2019 (COVID-19) vaccine/vaccination on influenza vaccination from willingness to behavior after COVID-19 pandemic among older adults in rural China. A combined study involving a cross-sectional survey for the willingness of influenza vaccination, a health education momentary intervention and a community intervention program were conducted from September 11 th to 16 th , 2023 among rural older adults in China. Totally 3138 individuals were investigated in this study with 1923 (61.3%) willing to receive influenza vaccination. After the momentary intervention, 47.8% (582/1215) individuals changed to be willing to receive influenza vaccination. There were 1440 (78.8%) vaccinated. The influenza vaccination willingness rate was significantly higher in the participants willing to receive COVID-19 vaccine booster dose vaccination than the participants unwilling to (69.4% vs . 37.7%, adjusted OR [aOR] = 2.671, 95% CI 2.211–3.227, p < .001), as well as for the influenza vaccination willingness change rate (52.2% vs . 41.7%, aOR = 1.303, 95% CI 1.022–1.662, p < .05) and the influenza vaccination behavior rate (79.7% vs . 74.9%, aOR = 1.337, 95% CI 1.002–1.784, p < .05). The influenza vaccination behavior rate was significantly higher in those positive toward COVID-19 vaccine effectiveness or safety overall (80.0% vs . 74.9%, aOR = 1.394, 95% CI 1.065–1.823; 80.6% vs . 70.9%, aOR = 1.850, 95% CI 1.395–2.454; both p < .05). There was a positive impact of COVID-19 vaccine/vaccination on influenza vaccination from willingness to behavior among the older adults in rural China after COVID-19 pandemic, suggesting that integrating health education of related pathogens and vaccines might promote influenza vaccination.

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Vaccination coverage during pregnancy and factors associated with refusal of recommended vaccinations: An Italian cross sectional study

Cited by 2 publications

References 51 publications

Efficacy of vaccination during pregnancy in reducing the risk of SARS-CoV-2 infection in infants younger than 12 months. Puglia (Italy), 2021–23

Efficacy of vaccination during pregnancy in reducing the risk of SARS-CoV-2 infection in infants younger than 12 months. Puglia (Italy), 2021–23

Impact of propensity to COVID-19 vaccination/vaccine on influenza vaccination from willingness to behavior among older adults in rural China

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