As if they had chosen the end of summer to proliferate. While the Delta variant has spread at breakneck speed and now represents 84% of the sequences deposited in the international database GISAID, three new mutants have been the subject of a special alert since the beginning of the week. Starting with the variant originally detected in Colombia. Tuesday, August 30, the World Health Organization (WHO) classified this new mutation of the coronavirus, baptized "
Mu
", as "
variant to follow
", the status lower than that of the so-called "
worrying
" variants that are currently the variants. Alpha, Beta (said South African), Gamma (said Brazilian) and Delta (said Indian).
Read also Covid-19: should we fear the arrival of a "super-variant" by 2022?
The "
Mu
"
variant
and its risk of vaccine resistance
Developed in Colombia, the B.1.621 variant, renamed with the Greek letter “
Mu
”, was first detected in Colombia in January 2021. It has since spread to at least 40 countries, and 49 US states.
In France, 79 cases had been detected as of August 10, the majority of which
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