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  • 2022-02-02 (xsd:date)
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  • while infection occurs much faster than with earlier strains of coronavirus. In early November 2021 (en)
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  • On December 14, the Russian news agency INTERFAX.RU published that the Omicron strain of Covid-19 is spreading much faster than other earlier strains that scientists have identified during the pandemic. This statement is true. The first mention of a new coronavirus infection occurred at the end of December 2019. Dr. Li Wenliang, who works in the emergency department at the Wuhan Central Hospital, was the first to drew attention to the new disease. On December 30, in a WeChat group chat, he shared with colleagues his worst fears – Li Wenliang assumed the beginning of a new wave of SARS. However, the first official publication in the media about Covid-19 dates back to January 5, 2020. According to the website of the European Center for Disease Prevention and Control, between January 5, 2020 and February 5, 2020, Covid-19 infection was found in 20 countries. As is shown in the table below. Omicron spread – source: website of the European Center for Disease Prevention and Control Next up: the Delta variant In December 2020, Indian scientist found a new strain of Covid-19 named Delta. It revealed two mutations of the spike protein – the part of the virus with which it is introduced into the cells of the human body. Scientists have found that this facilitates the penetration of the SARS-CoV-2 virus into the body and thus contributes to infection. There is also a risk of infection with the delta variant of both people who have already had a coronavirus infection and those who have been vaccinated. During the summer of 2021, this virus spread rapidly and by the July 4, it was found at more than 104 countries. After the Delta strain, Delta Plus" appeared. The peculiarity of Delta plus is that it affects many cells at once (en)
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