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. 2020 Jul 28;8:138162–138169. doi: 10.1109/ACCESS.2020.3012595

TABLE 4. 11 Key Topics in Weibo Posts With Negative Sentiment Along With the Corresponding Themes and Frequency of Occurrences in Weibo Posts.

Key Topics Themes Percentage(%)
(Gamey Food) Origin 3.08
(Bat) Origin 2.70
(Conspiracy Theory) Origin 1.43
(Fever) Symptom 2.13
(Cough) Symptom 1.19
(Go to Work) Production Activity 1.94
(Resume Work) Production Activity 1.12
(School New Semester Beginning) Production Activity 1.06
(Temperature Taking) Public Health Control 1.39
(Coronavirus Cover-up) Public Health Control 1.26
(City Shutdown) Public Health Control 1.09

The definitions of four themes in this work are as follows:

  • Origin: Discussions about where COVID-19 comes from.

  • Symptom: Change of body or mind indicating the possible infection of COVID-19.

  • Production Activity: Work life arrangements influenced by the outbreak of COVID-19.

  • Public Health Control: Measures to stop the spread of COVID-19.