Epidemiological characteristics SAR-CoV-2 Omicron

The Omicron strain was first registered by WHO in South Africa on November 24, 2021. As of early 2022, cases of Omicron had been registered in more than 60 countries and regions. The Omicron is currently the world's dominant strain of SAR-CoV-2 with a propensity to spread rapidly. Although diseases caused by Omicron are predominantly asymptomatic and mild, rapid growth or morbidity may seriously overwhelm the global health system. In addition to the above, its sources of mutations, the nature of infection transmission and its resistance to vaccines have not been fully studied yet. This insufficient knowledge leads to obstacles in the fight against a pathogen in different regions of the world. This article analyzes the results of the research on the characteristics of the pathogen, its variability, transmission characteristics and possible implementation mechanisms, epidemic status, prevention and other anti-epidemic measures to develop against the strain of SARCoV-2.