Before revision:  We group these leaders in four clusters, namely research, news, health and politics. Our analysis shows that i) all clusters show a similar amount of fear in their tweets, ii) researchers and news cluster display more sadness compared to othersand, iii) URLanizations and politicians try to gain public trust.
After revision:  We group these leaders in four clusters, namely research, news, health , and politics, with each cluster containing Twitter handles (accounts) of individual users URLanizations. E.g., the health cluster includes the World Health Organization (@WHO), the Director-General of WHO (@DrTedros), and so on. The emotion analysis reveals that ( i) all clusters show a similar amount of fear in their tweets, ii) researchers and news cluster display more sadness compared to othersand, iii) URLanizations and politicians try to gain public trust.