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Covid-19 mutants found in the UK were associated with significantly higher mortality in a new study

Covid-19 mutants found in the UK were associated with significantly higher mortality in a new study

 


  • The new Covid-19 variant was discovered last year in Kent, England.
  • A recent study compared the mortality rate caused by this new variant with the previous one.
  • Researchers have found that this new variant is more deadly than the original variant.

The first Covid-19 variant B.1.1.7 (also known as 501Y.V1), first discovered in the United Kingdom, is known to be more infectious than the original variant, although Recent research It shows that this is not the only reason we have to worry about it.

According to a new study, this highly infectious variant is 30-100% more deadly than its predecessor.

Establishing B.1.1.7 mortality rate

British researchers included 54,906 participants who were positive for SARS-CoV-2 (the virus that causes Covid-19 disease) between October 1, 2020 and January 29, 2021. We conducted a consensus cohort study. Researchers compared mortality rates. From people infected with B.1.1.7 to people infected with other variants of the virus.

The results of the study show that B.1.1.7 led to 227 deaths in a sample of 54,906 patients. In contrast, the old variant that caused the deaths of 141 closely matched participants was.

This information is important to governments around the world, and since this variant has already been detected in more than 90 countries, it helps highlight the urgency of curbing the spread of the virus.

“In the community, death from Covid-19 is still a rare event, but the B.1.1.7 variant increases the risk. Coupled with its ability to spread rapidly, this makes B.1.1.7 a serious threat. “I will,” warned Robert Charen, the lead author of the study.

The virus mutates and spreads very quickly

The findings also show that an increase in the number of people previously considered low risk, given the high prevalence of B.1.1.7, required hospitalization after infection.

Leon Danon, senior author of this study, said: “We focused our analysis on cases that occurred between November 2020 and January 2021 when both old and new variants existed in the UK. This maximized the number of” matches “and others. It means that we were able to reduce the effect of the bias of. Subsequent analysis confirmed the results.

“SARS-CoV-2 appears to be able to mutate rapidly, and there is a real concern that other variants with resistance to rapidly deployed vaccines will develop. New variants emerge. Monitoring it, measuring their characteristics, and acting appropriately should be an important part of future public health response. “

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