What are the characteristics of the new coronavirus

The new type of coronavirus belongs to the new type of coronavirus of the genus β. It has an envelope, and the particles are round or oval, often pleomorphic, with a diameter of 60 to 140 nm. Its genetic characteristics are obviously different from SARSr-CoV and MERSr-CoV. Current research shows that the homology with bat SARS-like coronavirus (bat-SL-CoVZC45) is more than 85%. When isolated and cultured in vitro, 2019-nCoV can be found in human respiratory epithelial cells in about 96 hours, while it takes about 6 days to isolate and culture in VeroE6 and Huh-7 cell lines.

The understanding of the physical and chemical properties of coronavirus mostly comes from the study of SARS-CoV and MERS-CoV. Viruses are sensitive to ultraviolet rays and heat. At 56°C for 30 minutes, ether, 75% ethanol, chlorine-containing disinfectants, peracetic acid, and chloroform and other lipid solvents can effectively inactivate the virus. Chlorhexidine cannot effectively inactivate the virus.

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