There is a significant body of literature on the use of social media for monitoring ailments such as influenza-like illness1 and cholera,2 as well as public opinions on topics such as vaccination.3 In general, these studies have shown that social media correlates well with official data sources,1,2,3 with the trends identifiable before official data are available.2 However, less is known about the impact of integrating social media into public health practice, and resulting interventions.
