February 28, 2021

Covid-19: is the effect of variants on the epidemic already clearly visible?


DECRYPTION – The coronavirus epidemic is strengthening in Hauts-de-France, especially in Dunkirk, and in the Alpes-Maritimes.

It’s a strange feeling that prevails at the end of February. On the epidemic level, France seems to be in the middle of a ford, without really knowing if the situation will remain stable or if the dreaded deterioration will take place. “With the different variants circulating in the region, we are facing a number of epidemics, analysis Jean-Stéphane Dhersin, deputy scientific director of the National Institute of Mathematical Sciences and responsible for the MODCOV19 modeling platform. The overall results therefore cannot give a satisfactory indication of the real dynamics. The problem is that, due to the lack of sequencing, there is no way to accurately monitor all of these epidemics. ”

Indeed, if the health authorities communicate regularly on the variants, the information made public is partial and dated. First, there are the results of the sequencing carried out during the flash surveys of January 7 and 8; the final results of

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