Covid-19: how to explain the surge in cases?

Louise Sallé, edited by Solène Delinger 7:35 p.m., December 29, 2021, modified at 7:41 p.m., December 29, 2021

DECRYPTION

A real tidal wave.

France crossed a new record of Covid-19 contamination this Wednesday with 208,000 cases recorded in the last 24 hours, according to figures unveiled by Olivier Véran.

Is this surge in cases only due to the Omicron surge?

Lighting Europe 1.

Lots of tests

These alarming figures can be explained on the one hand because the French have never been so tested.

There was the call of the holidays, the end of year celebrations, reunion with family and friends, with several mixed generations.

All this worried the French, who were afraid of infecting their loved ones.

A vertical contamination curve

And it makes sense since this rush for tests was already being observed last year, at exactly the same time and at Christmas.

So there had been a very significant increase in Covid-19 cases.

On the other hand, this explosion, well, it is the famous "blast" effect predicted by scientists, that is to say that everyone becomes infected in an extremely short period of time.

Each infected person can transmit the virus to 10 other people in the same day.

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The contaminations curve is vertical.

It does not resemble the previous epidemic curves.

She doesn't even have a wave form anymore.

Fortunately, the forms developed with the variant a microphone are less serious.

But by a multiplier effect, all these contaminations will eventually lead to more hospitalizations.