Introduction:

The COVID-19 pandemic modifies the info-communicative environment of cyber users. Cuba, in particular, presents a remarkable level of technological development inserted in the Internet social platform, Twitter. This support plays a key role in the debate about issues related to the Cuban medical delegations due to their confrontation with the virus at the international level, which contributes to the formation of a favorable global opinion. The aforementioned point is expressed from the online conversations and their speeches in this site.

Objective:

To characterize the info-communicative environment on Twitter during the online conversations about Cuban medical brigades between December 31, 2020 and January 18, 2021.

Material and Methods:

The hermeneutic theoretical method is used for the description of the results of the statistical processing of content, structure and use on the Web, corresponding to a transdisciplinary approach through the application of Data Mining Technique as an instrument of the unsupervised algorithm SSA-UO for sentiment analysis on Twitter.

Results:

The characteristics of the info-communicative environment on Twitter during the online conversations about Cuban medical delegations evidence a predominance of positive polarity.

Conclusions:

Retweets, mentions and the publication of links influence the particularities of the debate on the topic in the microblogging sphere.

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