摘要：What is already known about this topic? Social media platforms are widely used to share information and disseminate alerts and warnings. What is added by this report? After an errant ballistic missile alert, social media reactions revealed how the public interprets, shares, and responds to information during an evolving threat. This knowledge can guide emergency risk communicators to develop timely and effective social media messages than can protect lives. What are the implications for public health practice? Social media can be an effective tool to send urgent messages during a public health emergency. Public health practitioners need to improve messaging during emergency risk communications to address the public’s needs during each phase of an unfolding crisis to protect and save lives.
关键词：Public Health Emergency And Social Media Reactions; Emergency Risk Communication And Errant Missile Warning; Public Health Communication And Hawaii Missile Threat; Emergency Preparedness & Response; Public Health Preparedness and Response; MMWR; Morbidity & Mortality Weekly Report; Social Media Tools; Social Networks
