After Marseille, Guadeloupe and Paris, new areas could go on enhanced or maximum alert on Thursday.

In Lille, where the figures for new contaminations are worrying, caregivers are preparing to see more patients arrive.

Europe 1 went to the CHU of the northern city.

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In the capital of Flanders, local authorities are preparing to go on heightened or maximum alert, because the figures are not good.

In just 48 hours, thirty more patients infected with Covid-19 were received in hospitals in the Lille metropolitan area.

The situation worries the staff: "We would have preferred that it did not start again, but we have been preparing for it for some time, and therefore we are moving again", testifies at the microphone of Europe 1 Julien Poissy, resuscitator at the Lille University Hospital .

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According to this specialist, the influx of patients could be increasing in the days to come, and the pressure on the beds will increase.

"One of the characteristics of the Covid is the worsening around the seventh or even the tenth day of the onset of symptoms. We can expect, in the days or weeks to come, to have an increase in the number of patients in intensive care. "

"We can talk about second wave"

A third of intensive care beds are already occupied in the metropolis, mainly by patients over the age of 60.

"It is an important alarm signal which can raise the issue of a second wave", judge François-René Pruvot, president of the medical community of the Lille University Hospital.

"Today, there is a dose of concern because we have the feeling that in half a week the change has taken place. We must therefore adapt the hospitalization capacities and it is not easy."

Certain non-urgent medical acts could be deprogrammed or postponed from next week in order to free up places for patients affected by the coronavirus.

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On Wednesday, Emmanuel Macron was clear by saying that it was necessary to go "towards more restrictions in areas where the Covid is circulating too fast".

The Ministry of Health is to take stock of the situation again this Thursday at 6 p.m.