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How worried should you be about coronavirus variants? A virologist explains his concerns – The Conversation US

As the US vaccinates millions more people each day, the novel coronavirus works to survive. It does this by mutating. So far, several variants are worrisome. A…

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Spring has sprung, and there is a sense of relief in the air. After one year of lockdowns and social distancing, more than 171 million COVID-19 vaccine doses have been administered in the U.S. and about 19.4% of the population is fully vaccinated. But there is something else in the air: ominous SARS-CoV-2 variants.
I am a virologist and vaccinologist, which means that I spend my days studying viruses and designing and testing vaccine strategies against viral diseases. In the case of SARS-CoV-2,…

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