Antivaccination web sites.
D001294:Attitude to Health; D005197:Famous Persons; D006266:Health Education / Q000266:history; D049671:History, 18th Century; D049672:History, 19th Century; D006801:Humans; D010686:Philosophy, Medical / Q000266:history; D011639:Public Opinion; D014481:United States; D014611:Vaccination / Q000266:history*