From the classic delta, which is currently responsible for almost all cases of infections in Poland, the plus version differs in two mutations in the spike protein, which may facilitate its faster spread. One mutation known to appear multiple times in the Delta variant is called A222V, the other is Y145H.
At the moment, delta plus worries the islanders the most, where it is responsible for 10 percent of infections. Its cases have also been reported in the United States, Denmark, Israel and Italy. So far, AY.4.2 has not been identified as a VOC or VOI option. Which does not change the fact that it is good to follow the further development of this and other lines. From this week on, the British intend to monitor it.
– The Chief Sanitary Inspector does not yet have detailed data in this regard. We stay in touch with the National Institute of Public Health – National Institute of Hygiene, which deals with the indicated issues – explains Szymon Cienki, GIS spokesman.
– There is nothing to be nervous about – says Prof. Włodzimierz Gut, virologist. And he adds – Variants arise in every situation and all the time, it is normal to replace the older ones with new ones. It is important in which group a given variant will be present. If it finds a society that does not comply with the rules of sanitary hygiene, it will gain an evolutionary advantage and will spread faster.
AY.4.2, which is the new delta plus. Is it resistant to vaccines?
However, Rochelle Walensky, US head of the Centers for Disease Prevention and Control, adds that at the moment there is no evidence that the AY4.2 variant has escaped vaccines or COVID-19 drugs.
Rather, in the UK, the rise in disease rates may be due to the relatively low levels of vaccinations among young people, and the fact that some Brits have been vaccinated a long time ago and their immunity may have waned.
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The coronavirus attacks the countries of Central and Eastern Europe. There is a huge increase in infections in Poland!