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Published in 2022 at "Sustainability"
DOI: 10.3390/su14084766
Abstract: As of the end of February 2021, more than 420,000,000 confirmed cases of COVID-19 have been reported worldwide, with 5,856,224 deaths. Transmission of the different genetically engineered variants of SARS-CoV-2, which have been isolated since…
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Keywords:
prevention;
new prevention;
sars cov;
pandemic new ... See more keywords