Methods We searched the first twenty pages of Google and Bing search results, on the
default setting which shows ten results per page excluding advertisements. Searches were
performed on 25 February 2016, and the search term used was “Zika virus”. Two
independent reviewers (AV and SSN) read through all the search results, and identified
those websites which appeared to be supportive of viewpoints and ideas about Zika that
went against the most recent guidelines issued by the Centers for Disease Control Results …