BA.2: Omicron sub-variant detected in 57 nations, says WHO | Coronavirus pandemic Information

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UN well being company says preliminary knowledge exhibits BA.2 is a bit more infectious than earlier variations of Omicron.

A not too long ago found subvariant of the extremely contagious Omicron coronavirus pressure has now been detected in 57 nations, the World Well being Group (WHO) says.

In its weekly epidemiological replace, the United Nations’ well being company famous on Tuesday that in some nations, the sub-variant now accounts for greater than half of all sequenced Omicron instances.

It stated little was identified but in regards to the variations between the sub-variants however a number of research have advised that BA.2, also called the “stealth variant”, was extra infectious than the unique sub-lineage.

Maria Van Kerkhove, an epidemiologist and the WHO’s technical lead on the coronavirus pandemic, informed reporters that preliminary knowledge indicated BA.2 had “a slight enhance in progress fee over BA.1”, the primary model of the Omicron variant.

Van Kerkhove stated there was “no indication that there’s a change in severity” within the BA.2 sub-variant.

(Al Jazeera)

Omicron infections

The extremely transmissible Omicron is usually identified to trigger much less extreme illness than earlier variants similar to Delta.

The WHO stated Omicron, which accounts for greater than 93 p.c of all coronavirus specimens collected up to now month, has a number of sub-lineages: BA.1, BA.1.1, BA.2 and BA.3.

The primary variations recognized as BA.1 and BA.1.1 nonetheless account for greater than 96 p.c of all Omicron instances submitted to GISAID, it added, referring to the general public virus monitoring database.

Nonetheless, the company identified, in elements of Europe and Asia, BA.2 has began to unfold quicker than BA.1.

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Posted

February 2, 2022

News

Diana Wells

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