A tool for early estimation of influenza vaccination coverage in Spanish general population and healthcare workers in the 2018–19 season: the Gripómetro

Díez‐Domingo, Javier; Margüello, E. Redondo; Leonardo, Raúl Ortiz de Lejarazu; Miguel, Ángel Gil de; Ortega, J.; Mora, Jesús Rincón; Martinón‐Torres, Federico

doi:10.1186/s12889-022-13193-x

Cited by 8 publications

(5 citation statements)

References 15 publications

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“…Apart from clinical and care considerations, it is also important to consider the economic benefits of influenza vaccination. For the elderly, most published studies have found vaccination to be cost-effective, offering cost savings by reducing treatment costs that exceed the cost of vaccination [ 15 , 18 , 19 ].…”

Section: Introductionmentioning

confidence: 99%

Attitudes, Perceptions and Practices of Influenza Vaccination in the Adult Population: Results of a Cross-Sectional Survey in Spain

Prada-García

Fernández-Espinilla

Hernán-García

et al. 2022

IJERPH

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In Spain, the 2021/22 influenza season overlapped with the sixth wave of the 2019 coronavirus disease pandemic (COVID-19). Influenza is a major public health problem associated with high morbidity and mortality. The objectives of this study were to determine the knowledge, perceptions and practices of influenza vaccination in the Spanish population, coinciding with the COVID-19 pandemic, with special attention paid to people over 65 years of age. A cross-sectional study was carried out by conducting 2211 telephone interviews. It was observed that 81.6% of people ≥ 65 years were vaccinated annually or with some frequency compared to 35.5% of those under 65 years (p < 0.001). Fifty percent of Spaniards showed an intention to be vaccinated in the 2021/22 campaign, during the SARS-CoV2 pandemic. In the case of people ≥ 65 years old, this figure was 83% compared to 42% of those under 65 years old (p < 0.001). Significant predictors of intention to be vaccinated were age of 65 years or older (OR 1.8, 95% CI 1.3–2.5), female sex (OR 1.9, 95% CI 1.5–2.4), belonging to risk groups (OR 2.2, 95% CI 1.6–3.1) and having been previously vaccinated (OR 29.7, 95% CI 22.5–39.2). The main reasons for deciding to be vaccinated were the need to be protected against the virus and to be vaccinated annually. On the other hand, lack of recommendation and considering the influenza vaccine as not necessary were the main reasons for not getting vaccinated. In addition, health personnel stood out as the main source of information (32.9%) compared to traditional media (26.9%) and public administration (12.3%). This study aimed to assess and analyse the factors influencing willingness to receive influenza vaccines in the COVID-19 era among Spanish adults, as well as the main information channels and strategies to encourage vaccination.

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Section: Introductionmentioning

confidence: 99%

Attitudes, Perceptions and Practices of Influenza Vaccination in the Adult Population: Results of a Cross-Sectional Survey in Spain

Prada-García

Fernández-Espinilla

Hernán-García

et al. 2022

IJERPH

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“…For example, in a study of influenza‐related hospitalization costs in adults aged ≥ 65 years in Spain, vaccination reportedly reduced ICU admissions, rates of MV, and the degree of dependence on hospital services [ 43 ]. This is despite the influenza vaccination rate of 54.3% in this age group being short of the 75% goal recommended by the World Health Assembly [ 44 , 45 ]. Therefore, it is reasonable to suggest that newly available RSV vaccines could offer protection against the severity of RSV‐associated disease, thus reducing the burden on HRU.…”

Section: Discussionmentioning

confidence: 99%

How Does the Burden of Respiratory Syncytial Virus Compare to Influenza in Spanish Adults?

Martinón‐Torres,

Gutierrez,

Cáceres

et al. 2024

Influenza Resp Viruses

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BackgroundRespiratory syncytial virus (RSV) and influenza infections cause significant annual morbidity and mortality worldwide in at‐risk populations. This study is aimed at assessing hospital burden and healthcare resource utilization (HRU) of RSV and influenza in adults in Spain.MethodsData were obtained from the Projected Hospitalisation Database of inpatient episodes (ages: younger adults 18–50 and 51–64 years; older adults 65–74, 75–84, and ≥ 85 years) during 2015, 2017, and 2018 in Spanish public hospitals. Incidence, mean hospitalization, and HRU assessments, including length of stay (LOS), intensive care unit (ICU) usage, and age‐standardized mortality rates, were collected and stratified by age group, with analyses focusing on the adult population (≥ 18 years old).ResultsMean hospitalization rate in the population across all years was lower in individuals with RSV versus influenza (7.2/100,000 vs. 49.7/100,000 individuals). ICU admissions and median LOS were similar by age group for both viruses. Age‐standardized mortality was 6.3/100,000 individuals and 6.1/100,000 individuals in patients with RSV and influenza, respectively, and mortality rates were similar in older adults (≥ 65 years) for both viruses.ConclusionsRSV and influenza infection were associated with considerable HRU. There is a substantial disease burden for RSV infection in older adults ≥ 65 years. While RSV hospitalization rates in adults reported here appeared lower than influenza, RSV is still underdiagnosed in the hospital setting and its incidence might be similar to, or higher than, influenza.

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“… 13 Non-healthcare workers can benefit from vaccination through the prevention programs of their companies, but vaccination in work environment is very low, being below 11% in our case and in line with other studies published in Spain. 14 …”

Section: Discussionmentioning

confidence: 99%

Long-term influenza antibodies profiles in previously vaccinated and non-vaccinated adults

Sanz-Muñoz,

Lajara,

Sánchez-Martínez

et al. 2023

Human Vaccines & Immunotherapeutics

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The aim of this work is to describe the dynamics of influenza antibodies after vaccination in adults. We conducted a case-cohort serological study in the automobile manufacturing plants of the Renault España S.A. group in Valladolid and Palencia (Spain), including 550 workers (66.9%) previously vaccinated against influenza (group V), and 272 (33.1%) never vaccinated (group NV). A pre-vaccination serum sample was collected, another after 30–40 days and another after 6 months. The dynamics of antibodies were analyzed. A lower seroprotection of NV before vaccination was observed, but an antibody response between 2 and 4 times higher than in V was assessed. After 6 months, antibodies declined in both groups until equalize. Antibodies titers decrease with age, and no differences were found among underlying pathologies. Adults never vaccinated against influenza had lower seroprotection than those previously vaccinated, but influenza vaccination produces a more intense serological response in them, acquiring significantly higher antibody titers than those previously vaccinated. The antibodies, although in lower titers, persist and equalize among both groups at least 6 months after vaccination, which allows the individual to be protected during the entire circulation of the influenza virus in the same season.

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A tool for early estimation of influenza vaccination coverage in Spanish general population and healthcare workers in the 2018–19 season: the Gripómetro

Cited by 8 publications

References 15 publications

Attitudes, Perceptions and Practices of Influenza Vaccination in the Adult Population: Results of a Cross-Sectional Survey in Spain

Attitudes, Perceptions and Practices of Influenza Vaccination in the Adult Population: Results of a Cross-Sectional Survey in Spain

How Does the Burden of Respiratory Syncytial Virus Compare to Influenza in Spanish Adults?

Long-term influenza antibodies profiles in previously vaccinated and non-vaccinated adults

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