A medical worker in the intensive care unit of the COVID hospital at Simferopol Clinical Hospital No. 7. File photoMOSCOW, May 5. The number of countries where various subspecies of the omicron strain of coronavirus have been identified is growing, follows from the weekly epidemiological summary of COVID-19 presented by the World Health Organization (WHO).
& #34;Three omicron subspecies BA.4, BA.5 and BA.2.12.1 acquired several additional mutations that may affect their characteristics (BA.4 and BA.5 have deal 69/70, L452R and F486V mutations; BA .2.12.1 has mutations L452Q and S704L). According to (international virus genome database — ed.) GISAID and reports from WHO regional offices and countries, the number of cases and the number of countries reporting the detection of these three variants is growing", the document says.
Also, According to WHO, the number of new cases of coronavirus continues to decline. In the week from April 25 to May 1, the number of infections worldwide decreased by 17%, and the number of deaths decreased by 3% compared to the previous week (from April 18 to 24). It is noted that as of May 1, 2022, in all In the world, more than 500 million confirmed cases of infection and more than six million deaths from coronavirus have been recorded.