COVID-19 Vaccine and Social Media in the U.S.: Exploring Emotions and Discussions on Twitter.

Vaccines (Basel) · 2021 · PMC8540945 · PMID 34696167

Europe PMC DOI

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a decreasing trendno p-value reported

Our findings show that the negative sentiment regarding the COVID-19 vaccine had a decreasing trend between November 2020 and February 2021.

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an increasing trendno p-value reported

The rate of negative tweets has a decreasing trend, and the rate of non-negative tweets has an increasing trend.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.