Interplay Between Risk Perception, Behavior, and COVID-19 Spread
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TL;DR: In this paper , the authors studied how voluntary health-protective behaviour and vaccination willingness impact the long-term dynamics of COVID-19 and highlighted the importance of appropriate mandatory NPIs to maximise the impact of individual voluntary actions in pandemic control.
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Abstract: Pharmaceutical and non-pharmaceutical interventions (NPIs) have been crucial for controlling COVID-19. They are complemented by voluntary health-protective behaviour, building a complex interplay between risk perception, behaviour, and disease spread. We studied how voluntary health-protective behaviour and vaccination willingness impact the long-term dynamics. We analysed how different levels of mandatory NPIs determine how individuals use their leeway for voluntary actions. If mandatory NPIs are too weak, COVID-19 incidence will surge, implying high morbidity and mortality before individuals react; if they are too strong, one expects a rebound wave once restrictions are lifted, challenging the transition to endemicity. Conversely, moderate mandatory NPIs give individuals time and room to adapt their level of caution, mitigating disease spread effectively. When complemented with high vaccination rates, this also offers a robust way to limit the impacts of the Omicron variant of concern. Altogether, our work highlights the importance of appropriate mandatory NPIs to maximise the impact of individual voluntary actions in pandemic control.
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Matteo Cinelli,Walter Quattrociocchi,Alessandro Galeazzi,Carlo Michele Valensise,Emanuele Brugnoli,Ana Lucia Schmidt,Paola Zola,Fabiana Zollo,Antonio Scala +8 more
TL;DR: This work addresses the diffusion of information about the COVID-19 with a massive data analysis on Twitter, Instagram, YouTube, Reddit and Gab, and identifies information spreading from questionable sources, finding different volumes of misinformation in each platform.
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TL;DR: In this paper, a sentiment analysis was carried out on a large Twitter dataset of English tweets for finding COVID-19's impact on people's lives, and it was observed that positive news from top officials like Trump of chloroquine as cure to COVID19 has suddenly lowered fear in sentiment, and happiness, gratitude, and hope started to rise.
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TL;DR: Omicron extensively but incompletely escapes Pfizer BNT162b2 neutralization. Vaccine-elicited neutralization of Omicron is 22-fold lower than ancestral SARS-CoV-2, but residual neutralization is observed in individuals who have been previously infected with SARS-CoV-2.
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