Researchers also observed that an Omicron infection in mice resulted in less weight loss and a viral load in the upper and lower respiratory tract than Delta infection.
The overall conclusions of the study seem to be in line with other findings that suggest that the Omikron variant is much more infectious but produces a milder form of Covid-19, the researchers noted.
The authors of the study, whose results have not yet been peer-reviewed, emphasize that the results are limited because mice and hamsters were used in the experiments. To confirm them, additional data is needed – they supplemented.
Omicron dominates in France
The French health agency said on Friday that more than 52 percent of the coronavirus variant Omikron was detected at the beginning of the past week. tests checked in this regard. A week early, the figure was only 15 percent.
As the AFP points out, such a rapid spread of Omicron was expected because this variant is more infectious than previous strains and is already responsible for most new infections in other European countries, incl. in Great Britain and Portugal.
It is the high infectivity of Omikron that makes the current wave of the epidemic in France so high that over 200,000 people were registered on Wednesday, Thursday and Friday. new infections.
For this reason, the French government announced on Monday new restrictions, such as the reintroduction of remote work in some companies and limits on admission to public events.
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