Pandemic communication Tweets from US State Health Agencies with Labels from Health Communication Experts

Pandemic communication texts from US state public health agencies on Twitter, in English, from 2020. Model training data includes binary labels indicating the text passes or fails individual items on the CDC Clear Communication, from the point of view of one trained expert rater. Model validation data includes consensus labels, from the point of view of two separate trained expert raters, with conflicts resolved by a third rater.