US CDC: Omicron COVID-19 mutations may indicate vaccine resistance 
Federal Centers for Disease Control and Prevention (CDC The US explained that mutations in the omicron strain of COVID-19 could indicate resistance to existing vaccines. TASS writes about this.
The regulator said in a statement that the American authorities have decided to consider the omicron strain an “option of concern,” since coronavirus mutations may indicate a decrease in the effectiveness of vaccines against COVID-19 and certain types of treatment monoclonal antibodies.
The CPKZ also said that at the moment no cases of omicron-strain disease have been detected in the United States.
Previously, Pavel Volchkov recalled that the omicron has 14 mutations that he “collected” from previously identified types of coronavirus, and there are special ones – 21. Scientists consider three changes to be the most dangerous.
The newest strain COVID-19 B.1.1.529 was identified in South Africa, it was assigned the Greek letter “omicron” (O). Experts from the World Health Organization have recognized it as a threat. According to the WHO, it may affect more people in the world, including those who have recovered from other strains, and existing vaccines may not be effective.