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This study investigates healthcare workers' attitudes towards co-administering COVID-19 and seasonal influenza vaccines, a method supported globally for its efficiency and potential to lessen healthcare burdens. It explores various factors affecting workers' willingness to accept or decline this approach, ranging from demographic to logistical aspects, and examines the link between vaccine hesitancy and co-administration acceptance, aiming to identify and address hesitancy towards both vaccines
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Analysis of the determinants of refusal and adherence to the coadministration of influenza vaccination with the booster dose of anti-SARS-CoV-2 vaccine conducted on healthcare personnel of the University Polyclinic Foundation "A. Gemelli" IRCCS New evidence now suggests that co-administration of COVID-19 vaccines with inactivated vaccines is acceptable in terms of immunogenicity and reactogenicity. In particular, a recent randomized placebo-controlled phase IV study, established that both ChAdOx1 and BNT162b2 COVID-19 vaccines could be safely co-administered with seasonal influenza (SIV) vaccines adjuvanted with MF59 or derived from cell culture, without any clinically significant increase in adverse events or immunologic inference.
Although limited data are available, Interim Guidelines issued by WHO suggest that such co-administration is acceptable. The U.S. Centers for Disease Control and Prevention (CDC) supports that COVID-19 vaccines can be co-administered with other vaccines, including SIV. Similarly, in October 2021 (i.e., just before the start of the 2021/2022 flu vaccination campaign), the Italian Ministry of Health gave the go-ahead for co-administration of the vaccine.
Vaccination programs against COVID-19 and seasonal influenza are currently being implemented in parallel in many countries. The administration of both vaccines during the same session would have several advantages. At the individual level, it would reduce the number of necessary health visits and provide timely protection against both diseases; these individual benefits may encourage greater uptake of the two vaccines. Also from the perspective of health system organization and management, co-administration could facilitate the implementation of both vaccine programs and reduce the overall burden on health services.
The primary objective of the study is to measure the modifiable and non-modifiable, subjective and objective, demographic, economic, social, cultural, occupational, logistical and personal determinants of refusal or adherence to co-administration of seasonal influenza vaccination with the booster dose of anti-SARS-CoV vaccine-Evaluate the association between refusal of co-administration and vaccine hesitancy, both general and specific for influenza and/or SARS-cov-2;
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8,231 participants in 1 patient group
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Data sourced from clinicaltrials.gov
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