Zika in Twitter: Temporal Variations of Locations, Actors, and Concepts

Area of Science:

• Public Health
• Social Media Analysis
• Epidemiology

Background:

• The Zika virus outbreak rapidly escalated from a regional issue to a global epidemic.
• Communities worldwide engaged in discussions about Zika on Twitter, highlighting its public health significance.
• Understanding social media's role is crucial for managing public health emergencies.

Purpose of the Study:

• To analyze the dynamics of public health emergencies on social media, specifically Twitter.
• To demonstrate the importance of location, actor, and concept-related events in understanding online discourse.
• To gain insights into participation and interaction mechanisms during disease outbreaks on social media.

Main Methods:

• Collected 6,249,626 tweets related to the Zika outbreak over 12 weeks (December 2015-March 2016).
• Utilized spatiotemporal and network analysis to examine geographical spread, key actors, and emerging concepts.
• Visualized data to map the evolution of interest and connections between locations, actors, and concepts.

Main Results:

• Twitter interest in Zika spread from South America globally, mirroring the epidemic's expansion.
• Major health organizations like the CDC and WHO were prominent in discussions.
• Discussions on pregnancy and abortion intensified as public awareness grew and public figures engaged.

Conclusions:

• Analyzing temporal variations in locations, actors, and concepts is valuable for understanding social media discourse.
• This approach enhances comprehension of public health emergencies in the social media landscape.
• The study underscores the utility of social media analytics in real-time public health monitoring.