Better late than never. France seems (finally!) To have a system of indicators adapted to the surveillance of the epidemic. The Minister of Health, Olivier Véran, presented on Thursday the four data which should make it possible to alert in the event of a rebound.
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The first is an incidence rate calculated over 7 rolling days, ie the number of new cases identified over the last seven days per 100,000 inhabitants. This parameter quantifies the presence of the virus and replaces the ubiquitous "rate of emergency visits for suspected Covid-19" which had been unanimously considered to be ineffective. The incidence rate is not an intuitive figure, it must be compared to a threshold or monitored. The government has set the bar of 10 cases per 100,000 inhabitants as the departmental vigilance threshold, and 50 cases per 100,000 as the alert threshold. A dozen departments are above 10 and we are today at 6.2 at the national level.
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