The new coronavirus reproduces a new mutant strain “Omicron”. As of November 28, South Africa, Israel, बेल्जियम, इटली, यूनाइटेड किंगडम, Austria, and Hong Kong, चीन, have monitored the input of this mutant strain. The input of this mutant strain has not been found in other provinces and cities in our country. Many countries have upgraded their anti-epidemic measures to …