The highly contagious variant of Omigran BA.2 has become the leading Govt-19 strain in the United States, but international health experts are focusing more on a new hybrid variant that may be more contagious.
The XE variant is recombinant, meaning that it contains genetic material from two other strains, in this case BA.1, the original strain of Omigron, and BA.2, also known as “pseudo-Omigron”.
According to an epidemiological update released by the World Health Organization on March 29, XE is estimated to be 10% more prevalent than BA.2, but the results require further confirmation.
This variation was first detected in the UK in mid-January, after which 600 cases were reported in the country.
The UK’s Health Security Agency says it monitors XE with two redesigns, XD and XF for delta and BA.1 strains.
UK health officials clarified at the end of March that there was “not enough evidence to make conclusions about the developmental benefit or other characteristics of this variant”, but addressed early reports of infection.
Susan Hopkins, UKHSA’s Chief Medical Consultant, said:
However, according to health officials, the types of restoration are not unusual.
Hopkins said, “Combined variations are not uncommon, especially when there are multiple variations in circulation, many of which have so far been identified during epidemics.” “Like most other types of variants, most die relatively quickly.”
The WHO will “continue to closely monitor and assess public health risks associated with restructuring variations” and provide “updates as further evidence becomes available”.
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