COVID-19 chem.com. Pdf
Coronaviruse:- Coronaviruses are a group of enveloped viruses with no segmented, single-stranded, and positive-sense RNA genomes. Corona virus emerged in Wuhan, China, at the end of 2019. As in the start of 2020, several cases had been diagnosed in nine countries: China, Thailand, Japan, South Korea, Singapore, Vietnam, Taiwan, Nepal, and the United States. Introduction : The novel coronavirus (2019-nCOV)or the severe acute respiratory syndrome corona virus 2(SARS_oV_2).On December 31, 2019, the China Health Authority alerted the World Health Organization (WHO) to several cases of pneumonia in Wuhan City in Hubei Province in central China. The cases had been reported since December 8, 2019, and many patients worked at or lived around the local Huanan Seafood Wholesale Market although other early cases had no exposure to this market. On January 7, a novel corona...
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