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The third wave of the coronavirus pandemic, which was headed by the Omicron strain, is slowing down around the world. Many countries are loosening the rigorous controls imposed to prevent the spread of the disease. However, a new concern about an Omicron sub-strain has been highlighted by a World Health Organization (WHO) expert.
“The virus is mutating, and we’re keeping an eye on Omicron’s various sub-lineages.” BA.1, BA.1.1, BA.2, and BA.3 are the four levels of analysis. At a WHO briefing on Thursday, Maria Van Kerkhove, Covid-19 technical lead, stated, “It’s really pretty astonishing how Omicron, the current type of concern, has overtaken Delta over the world.” The World Health Organization (WHO) released a video on Twitter.
“This sub-lineage BA.1 is responsible for the majority of the sequences.” “The proportion of BA.2 sequences is also increasing,” she added. According to the WHO, about 75,000 deaths from Covid-19 were reported last week, according to a tweet accompanying the video.
The WHO official expressed alarm about one sub-lineage, saying it is “more transmissible” than the others.
“We are observing,” Kerkhove said, adding that there is no proof BA.2 is more dangerous than BA.1.
Last week, the WHO received about 75,000 reports of Covid-19-related deaths, according to a tweet from the organisation.
According to the WHO, BA.2 is currently responsible for almost one out of every five new Omicron cases worldwide.
The WHO warned in a press conference on Tuesday that a new wave of coronavirus illnesses caused by the Omicron type is heading eastward, asking authorities to increase vaccination and other measures.
In Armenia, Azerbaijan, Belarus, Georgia, Russia, and Ukraine, Covid-19 cases have more than doubled in the last two weeks, according to WHO Europe regional director Hans Kluge.
