Jan M Eberth1, Kimberly N Kline2, David A Moskowitz3, Jane R Montealegre4, Michael E Scheurer5. 1. South Carolina Cancer Prevention and Control Program, University of South Carolina, Columbia, South Carolina; Department of Epidemiology and Biostatistics, University of South Carolina, Columbia, South Carolina; Department of Communication, University of Texas at San Antonio, San Antonio, Texas. Electronic address: jan.eberth@gmail.com. 2. Department of Epidemiology and Biostatistics, University of South Carolina, Columbia, South Carolina; Department of Communication, University of Texas at San Antonio, San Antonio, Texas. 3. Department of Epidemiology and Community Health, New York Medical College, NY, New York. 4. Department of Epidemiology, Human Genetics and Environmental Sciences, University of Texas School of Public Health, Houston, Texas; Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, Texas. 5. Dan L. Duncan Cancer Center, Baylor College of Medicine, Houston, Texas; Department of Pediatrics, Baylor College of Medicine, Houston, Texas.
Abstract
PURPOSE: This study aimed to determine the temporal association of print media coverage and Internet search activity with adverse events reports associated with the human papillomavirus vaccine Gardasil (HPV4) and the meningitis vaccine Menactra (MNQ) among United States adolescents. METHODS: We used moderated linear regression to test the relationships between print media reports in top circulating newspapers, Internet search activity, and reports to the Vaccine Adverse Event Reporting System (VAERS) for HPV4 and MNQ during the first 2.5 years after Food and Drug Administration approval. RESULTS: Compared with MNQ, HPV4 had more coverage in the print media and Internet search activity, which corresponded with the frequency of VAERS reports. In February 2007, we observed a spike in print media for HPV4. Although media coverage waned, Internet search activity remained stable and predicted the rise in HPV4-associated VAERS reports. CONCLUSIONS: We demonstrate that media coverage and Internet search activity, in particular, may promote increased adverse event reporting. Public health officials who have long recognized the importance of proactive engagement with news media must now consider strategies for meaningful participation in Internet discussions.
PURPOSE: This study aimed to determine the temporal association of print media coverage and Internet search activity with adverse events reports associated with the human papillomavirus vaccine Gardasil (HPV4) and the meningitis vaccine Menactra (MNQ) among United States adolescents. METHODS: We used moderated linear regression to test the relationships between print media reports in top circulating newspapers, Internet search activity, and reports to the Vaccine Adverse Event Reporting System (VAERS) for HPV4 and MNQ during the first 2.5 years after Food and Drug Administration approval. RESULTS: Compared with MNQ, HPV4 had more coverage in the print media and Internet search activity, which corresponded with the frequency of VAERS reports. In February 2007, we observed a spike in print media for HPV4. Although media coverage waned, Internet search activity remained stable and predicted the rise in HPV4-associated VAERS reports. CONCLUSIONS: We demonstrate that media coverage and Internet search activity, in particular, may promote increased adverse event reporting. Public health officials who have long recognized the importance of proactive engagement with news media must now consider strategies for meaningful participation in Internet discussions.
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