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To the Editor: Health care professionals have expressed concerns about the quality and veracity of information individuals receive from Internet-based sources. 1 One area of controversy is the use of Internet sites to communicate information on immunization. 2 YouTube is a video-sharing Internet Web site created in 2005 that provides free video streaming.(More)
BACKGROUND The roll out of HPV immunization programs across the United States was hindered by controversy. We tracked the debate in the United States through MySpace, then the most popular social networking site, in order to better understand the public's reaction to the vaccine. METHODS We searched MySpace for all blog discourse related to HPV(More)
YouTube is a video-sharing platform that is increasingly utilized to share and disseminate health-related information about immunization. Using a pre-post survey methodology, we compared the impact of two of the most popular YouTube videos discussing seasonal influenza vaccine, both vaccine-critical, on the attitudes towards immunizing of first year medical(More)
It is becoming increasingly apparent that there is a tension between growing consumer demands for access to information and a healthcare system that may not be prepared to meet these demands. Designing an effective solution for this problem will require a thorough understanding of the barriers that now stand in the way of giving patients electronic access(More)
Social media has contributed positively to the interaction between proponents of medical products and technologies and the public by permitting more direct interaction between these two groups. However, it has also provided opponents of these products a new mechanism to organize opposition. Using the example of anti-vaccinationism, we provide(More)
Immunization is a public health area in which the intergovernmental challenges of formulating a national policy are evident. It is also an area in which harmonization of policy across Canada is particularly critical. The National Immunization Strategy was a F/P/T initiative designed to achieve this policy goal. The combination of national guidelines and(More)
BACKGROUND Live vaccines have distinct safety profiles, potentially causing systemic reactions one to 2 weeks after administration. In the province of Ontario, Canada, live MMR vaccine is currently recommended at age 12 months and 18 months. METHODS Using the self-controlled case series design we examined 271,495 12 month vaccinations and 184,312 18 month(More)
Web 2.0 tools in general, and Web video in particular, provide new ways for activists to express their viewpoints to a broad audience. In this paper we deployed tools that have been used to find subgroups automatically in social networks and applied them to the problem of distinguishing between two sides of a controversial issue based on patterns of online(More)
The US Court of Federal Claims, which adjudicates cases for the National Vaccine Injury Compensation Program, has been confronted with more than 5000 cases submitted on behalf of children with autism spectrum disorders, seeking to link the condition to vaccination. Through a test case process, the Omnibus Autism Proceedings have in every instance found no(More)