Influenza vaccination behavior and media reporting of adverse events |
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| Affiliation: | 1. Department of Economics, University of Verona, Department of Economics, University of Gothenburg, CHEGU, CHILD-Collegio Carlo Alberto, Italy;2. Department of Economics and Finance, Catholic University-Milan, IZA, Italy;3. Agency for Health Protection of Milan, Epidemiologic Unit, Italy;4. Bank of Italy, Territorial Economic Research Division, Firenze Branch; CRILDA, Catholic University Milan, Italy;1. Department of Clinical Microbiology, Karolinska University Hospital, Stockholm, Sweden;2. Department of Microbiology, Tumor and Cell Biology, Karolinska Institutet, Stockholm, Sweden;3. Biozentrum, University of Basel, Basel, Switzerland;4. Swiss Institute of Bioinformatics, Basel, Switzerland;5. Department of Medicine, Infectious Diseases Unit, Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden;1. Immunization Safety Office, Division of Healthcare Quality Promotion, Centers for Disease Control and Prevention, Atlanta, GA, United States;2. Division of Epidemiology, Office of Biostatistics and Epidemiology, Center for Biologics Evaluation and Research, U.S. Food and Drug Administration, Silver Spring, MD, United States;1. Department of Economics, University of Waikato, Private Bag 3105, Hamilton 3240, New Zealand;2. Factor-Inwentash Faculty of Social Work, University of Toronto, 246 Bloor St W, Toronto, Ontario, Canada M5S 1V4;3. Faculty of Science and Technology, Rajamangala University of Technology Phra Nakhon, 138 Phibulsongkram, Bang Sue, Bangkok 10800, Thailand;4. Centre for the Study of Choice, University of Technology Sydney, New South Wales, Australia;1. Immunization Safety Office, Division of Healthcare Quality Promotion, National Center for Emerging and Zoonotic Infectious Diseases, Centers for Disease Control and Prevention (CDC), United States;2. Center for Biologics Evaluation and Research, U.S. Food and Drug Administration (FDA), United States |
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| Abstract: | We study the role of media reporting of alleged adverse effects of influenza vaccination on adults’ (aged 50 or more) decisions to vaccinate against the flu. We exploit the diffusion of news linking suspected deaths to the vaccine, during the 2014 vaccination campaign in Italy. Using daily variation in news items across the 2014 campaign and the previous year campaign, unaffected by media cases, we show that media reporting decreases flu vaccination by about 2.5 % (78 fewer vaccinations per day). The effect, however, is short-lived, as it fades away after approximately 10 days from the news outbreak. |
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| Keywords: | Vaccination Influenza Mass media |
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