Table 1. Social media search result categorization criteria.

Categories	Description
I. Useful	Evidence-based and/or informative results for symptomatology and management of Zika virus
Clinically relevant	Direct evidence-based resources results which are useful for clinicians in their practice
Informative	News headline and other sources with correct symptomatology and geographical information
II. Not useful	Results regarding Zika virus but not clinically relevant
Intervention	Interventions that are not evidence-based
Commercial	Promote and sell products to protect from Zika virus
Commentary	Opinion-based results
Related	Neither informative nor relevant
III. Misleading	False sources, tweets, posts, articles, etc.