After the delta variant, here is the lambda variant. While France is deconfining, French officials fear a fourth wave and the arrival of the new mutant virus is not helping the situation. The World Health Organization (WHO) says that for now, the lambda version, like epsilon, is not considered dangerous, but is worth a look.
In fact, we’ll have to go back to the end of 2020 to find the first traces of this lambda version. Appeared in Peru, the mutant virus is now spreading to 32 countries, including the United States, the United Kingdom, and even Germany, the LCI lists. The seventh version of the coronavirus in Peru in the months of May and June represents more than 82% of cases of contamination, Les Echos says.
A stronger variant than the vaccine?
The lambda variant may prove more contagious than alpha (English) or gamma (Brazilian) viruses, according to a study published by the University of Santiago de Chile on Thursday, July 1. Also, the researchers warn about a higher number of mutations for this variant than for previous known cases. According to the Financial Times, the mutation named L452Q resembles the L452R mutation of the delta variant which shows a high transmissibility.
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The biggest concern here is the resistance of the vaccine variant. According to the latest studies by Chilean scientists, the mutation is much more resistant than previous forms of COVID-19. “Our data show for the first time that mutations present in the ‘spike’ protein of the lambda variant allow it to produce neutralizing antibodies and thus increase its potential for infection”, in particular from Monica Acevedo of the University of Santiago. In the column specify La Depoche.
However, in the United Kingdom, the Public Health of England (PHE) recalls that it is still too early to certify greater resistance to the vaccine. The health agency nonetheless placed Lamba as a “version under investigation”.
To date, scientists are yet to quantify the level of dangerousness of such a lambda variant. “At the moment, there is no evidence to suggest that it is more aggressive than other types,” concluded Jairo Méndez Rico, consultant for emerging viral infections at PAHO, in a Financial Times column. So we’ll have to wait to know if the lambda version will follow the same trajectory as the delta.
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