Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Intertopic distance map generated by LDAvis for Topic 1, ‘recognizing the seriousness of the condition in COVID‐19 pandemic’ (e.g., size of red circle presents the proportion of Topic 1 information in the overall texts; each red bar presents a term frequency in Topic 1)
