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Published in 2021 at "Applied Sciences"
DOI: 10.3390/app112411902
Abstract: Novel coronavirus, known as COVID-19, is a very dangerous virus. Initially detected in China, it has since spread all over the world causing many deaths. There are several variants of COVID-19, which have been categorized…
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Keywords:
covid variants;
features vof;
covid;
vocabulary features ... See more keywords