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2002 SEP 25 - (NewsRx.com & NewsRx.net) -- by Maria G. Essig, MS, ELS, senior medical writer - Searching the Internet for factual information about vaccinations may lead instead to sites that carry an antivaccination agenda or promote attitudes based on emotion, according to a report in the Journal of the American Medical Association.
Robert M. Wolfe and his colleagues at Northwestern University in Chicago set out to systematically scour the Internet for the veracity of information contained on web sites that portray vaccinations in a negative light.
The investigators evaluated 722 sites retrieved by a metasearch program, 12 of which they identified as disseminating antivaccination information. Links found on these 12 original sites led to another 10 sites that were included in the analysis. The sites were examined for 11 content issues and for 10 design features (Content and design attributes of antivaccination Web sites. JAMA, 2002;287(24):3245-3248).
All of the sites stated that vaccines cause unexplained illnesses. A high percentage of sites also claimed that vaccines decrease immunity, not improve immunity (95%), adverse reactions are underreported (95%), and greed (i.e., the desire for profit) drives vaccination programs.
Common methods used to deliver the antivaccination message included supplying links to ...
Source: HighBeam Research, Antivaccination web sites spread message through emotion and...