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What is a coronavirus Viruses of the coronavirus family are position-stranded single-stranded RNA viruses with envelope, about 80 to 120nm in diameter. Their genetic material is the largest of all RNA viruses and infects only humans, mice, pigs, cats, dogs, and poultry vertebrates. 👉N95 mask for sale👈 In 1965, Tyrrell and Bynoe first grew coronaviruses using ciliated trachea tissue from embryos. The coronaviruses were known as coronaviruses because they showed coronaviruses around the corona-like periphery of the sun under an electron microscope. In 1975, the virus nomenclature committee formally named the coronavirus family.

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