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Mass media effect on vaccines uptake during silent polio outbreak
Iftach Sagy1, Victor Novack2, Michael Gdalevich3
1Department of Health Systems Management, School of Public Health, Faculty of Health Sciences, Ben-Gurion University of the Negev, Be'er-Sheva, Israel; Clinica Research Center, Soroka University Medical Center, Be'er-Sheva, Israel.
Vaccine
|February 15, 2018
Summary
Media coverage significantly influenced oral poliovirus vaccine (OPV) uptake during Israel's 2013 polio outbreak, particularly among Jewish and high socioeconomic status populations. Public response to health campaigns varied across different demographic groups.
Area of Science:
- Public Health
- Epidemiology
- Health Communication
Background:
- A wild type 1 poliovirus was isolated from sewage in Israel in 2013, prompting a national oral poliovirus vaccine (OPV) campaign.
- Mass media extensively covered the polio outbreak during this period.
Purpose of the Study:
- To investigate the association between media exposure and the uptake of OPV and non-OPV vaccines.
- To analyze vaccine uptake during the 2013 silent polio outbreak in Israel.
Main Methods:
- Utilized daily immunization data from the Ministry of Health (MoH).
- Conducted a multivariable time trend analysis to assess media exposure's impact on vaccine uptake.
- Stratified analysis by ethnicity and socioeconomic status (SES).
Main Results:
- Over 138,000 OPV vaccines were administered during the supplemental immunization activity.
- Significant association found between media exposure and OPV uptake, especially 3-5 days after exposure in Jewish and high SES groups.
- Increased non-OPV uptake (excluding MMR) was also observed in these subgroups following media exposure.
Conclusions:
- Public response to health outbreaks varies significantly across different subgroups.
- Findings underscore the need for tailored communication strategies for diverse populations during public health crises.
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