Paris is to be placed on a maximum COVID-19 alert.
Bars will be forced to close for two weeks from Tuesday (October 6.)
While restaurants will be allowed to stay open, they must put in place new sanitary protocols.
The Prime Minister's office said on Sunday (October 4) that there had been no improvement in the Paris region regarding the spike in infections.
Parisians have been told that working from home should be prioritised "now more than ever".
And university lecture halls should be no more than half full.
The director of the Ile-de-France region's health agency, Aurelien Rousseau, said there were 203 active clusters in the region:
"We know what will happen in the next 15 days. We know that we will reach around 50% occupancy rate in the intensive care units, with beds occupied by COVID patients. That's all of the challenge - to put brakes on this progression."
It comes as data released on Monday (October 5) showed French business activity fell in September for the first time since June.
One analyst warned that fears of a virus resurgence are adding to consumer caution in the France.