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New variant and concern in Europe

29 Nov

The new variant of the covid-19 virus, called omicron by the WHO, is already present on three continents and the trend is to reach everyone in Brazil, both the director-president of the National Health Surveillance Agency (Anvisa, Brazil), Antonio Barra Torres, and the director of the Butantan Institute state that it is inevitable that it will arrive in the country.

The variant is the B.1.1.529 strain and was identified for the first time in South Africa on November 9, according to WHO information, where 100 cases of the variant were identified, especially in the populous province of Gauteng, but it has already spread. by Botswana, eSwatini (former Swaziland), Lesotho, Namibia and Zimbabwe, countries that Brazil closed the border.

In Brazil, a passenger on a flight that passed through South Africa tested positive last Saturday 11/27 and disembarked in Guarulhos (SP), the other passengers are also being monitored, it is still not possible to identify whether the contagion was due to the new strain.

What is known for now is that the variant can affect contagion and lethality rates, but the genetic sequencing may still take a few more days to complete, director Tulio de Oliveira of the Center for Epidemic Responses and Innovations at the University of KwaZulu -Natal, stated that this variant is “an unusual constellation of mutations”, while the delta variant had only two mutations, for example, in relation to the original coronavirus strain.

Meanwhile, the number of deaths is growing again in Europe (see graph), the average of deaths reached the highest level since February 2021, when the continent started to recover, for every million inhabitants the rate is 5.2 daily deaths on average from the new coronavirus in the last 7 days.

With the new strain and variants it is necessary to resume care, wait for studies on the strain and the effectiveness of vaccines, Pfizer has already announced that it must have changes to ensure immunity.

We reached 70% of the complete vaccination in Brazil, but with the new strain it is not possible to assert total immunity.

Note: Today (29/11) Australia has suspended the reopening and Japan has closed its borders.

 

 

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