The coronavirus disease (COVID-19) pandemic has created an urgent need for coordinated
mechanisms to respond to the outbreak across health sectors, and digital health solutions …

Background Web-based sources are increasingly employed in the analysis, detection, and
forecasting of diseases and epidemics, and in predicting human behavior toward several …

Twitter is a social media platform with more than 500 million users worldwide. It has become
a tool for spreading the news, discussing ideas and comments on world events. Twitter is …

Background With restrictions on movement and stay-at-home orders in place due to the
COVID-19 pandemic, social media platforms such as Twitter have become an outlet for …

Microblogging has become one of the most useful tools for sharing everyday life events and
news and for expressing opinions about those events. As Twitter posts are short and …

Background Twitter has been used to track trends and disseminate health information during
viral epidemics. On January 21, 2020, the Centers for Disease Control and Prevention …

This study tests whether the number (1 vs. 2) and the source (another user vs. the Centers
for Disease Control and Prevention [CDC]) of corrective responses affect successful …

Many states in the United States allow a “belief exemption” for measles, mumps, and rubella
(MMR) vaccines. People's opinion on whether or not to take the vaccine can have direct …

This study examines how low-income African-American older adults, one of the groups most
vulnerable to misinformation online, assess the credibility of online information. In examining …

An emerging infectious disease event like the coronavirus (COVID‐19) pandemic demands
careful communication of public health messages to diverse audiences. However …