Home Systems biology 1 imported case of the Covid-19 AY.4.2 Delta sub-variant reported in Singapore,...

1 imported case of the Covid-19 AY.4.2 Delta sub-variant reported in Singapore, Singapore

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SINGAPORE – An imported case of Covid-19 in Singapore of the AY.4.2 Delta sub-variant was confirmed on Tuesday, October 26, the Ministry of Health announced Thursday evening.

The subvariant is a mutation of the Covid-19 Delta variant. It is a combination of the AY.4 Delta variant and the tip S: Y145H mutation.

The health ministry said there was no evidence of the case spreading to the community.

“While its effects are still under investigation, AY.4.2 is currently expected to be similar to other Delta subvariants in terms of transmissibility and disease severity,” he added.

The subvariant is classified by the World Health Organization as an interesting variant, but not a variant of concern.

The BBC reported that according to experts, there was no indication that the AY.4.2 subvariant is more infectious or more dangerous than the Delta, but testing is ongoing.

So far, over 6% of all AY.4.2 subvariant cases have been reported in Britain.

Data from the GISAID virus notification database also showed that cases of the subvariant have been reported in the United States, Canada, Australia and parts of Western Europe.

Newsweek reported that Australia and Japan had seen only one case each as of October 19.

Francois Balloux, professor of computer systems biology at University College London, said the AY.4.2 subvariant had yet to be seen causing a recent increase in the number of cases in Great Britain. Brittany.

“As AY.4.2 is still at a fairly low frequency, a 10 percent increase in its transmissibility could only have caused a small number of additional cases,” he said.

“This is not a situation comparable to the emergence of Alpha and Delta which were much more transmissible (50% or more) than any strain in circulation at the time,” he added. .


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