Testing massively from the deconfinement, this was the objective of the Ministry of Health to avoid a second wave of contamination with the coronavirus. In Val-de-Marne, for example, the Regional Health Agency (ARS) planned between 2,500 and 3,000 daily tests, counting on a number of new positive patients of around 150 each day, of which it would be necessary to test each time the fifteen contact cases.
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Screening, health brigades, isolation: understanding the medical monitoring of deconfinement in Val-de-Marne
2,500 to 3,400 Covid 19 screening tests per day in Val-de-Marne from May 11
On average 170 positive tests every day in Ile-de-France
In fact, the epidemic curve has fallen enough that the number of tests performed is significantly lower. Thus, in Val-de-Marne, the number of positive tests is on average 22 per day since the start of deconfinement, and 170 per day throughout Ile-de-France. Very encouraging figures which do not prevent some epidemic outbreaks (clusters *).
Around thirty clusters in Ile-de-France, mostly in fragile or precarious environments
According to the latest epidemiological bulletin from Public Health France (May 28), there were 109 clusters in France as of May 27, 2020, excluding nursing homes and restricted family settings, an increase of 45% between the week of May 11 and that of ‘after. “They concern in particular people in precarious and vulnerable situations (19% in social housing and integration establishments, and 6% in vulnerable communities), health establishments (22%) and more generally businesses (20 % private companies, and other public) ”, details the bulletin. In Ile-de-France, 27 clusters have been identified, 19 of which are active. 16 of the 27 concern social accommodation and integration establishments. The Yvelines alone have dozens of clusters, which are concentrated in the southwestern crescent of the region.
* According to the definition adopted by Public Health France, a cluster is defined by the occurrence of at least 3 confirmed or probable cases, in a period of 7 days, in the same community (or among people who participated in the same gathering, whether they know each other or not, the MONIC information system (MONItorage of Clusters) makes it possible to present this assessment, details Public Health France.
In view of the lower number of people reporting symptoms of the coronavirus, the screening campaign is less massive than expected. However, it is more pro-active, with free screening operations for all, targeted primarily in the poorest neighborhoods.
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Below are the details of the screening figures in Ile-de-France since the start of deconfinement in a few tables.
114,591 tests performed in Ile-de-France between May 13 and May 30
Since May 13, around 6,400 tests have been carried out every day in Ile-de-France, with a marked decrease on weekends. In total, 114,591 tests were performed between May 13 and May 30, which theoretically represents around 1% of the Ile-de-France population. But this ratio to the population remains very indicative because the same person can perform the test several times.
3071 positive tests
Of these 114,591 tests performed, approximately 2.7% were positive. In chronological detail, the positivity rate decreased over the days, around 3.5% in the first days of deconfinement to less than 2% at the end of May.
In the details of the departments, the share of Seine-Saint-Denis, which was quite large at the start (compared to the total number of tests) has gradually decreased.
–A test positivity rate that varies from single to double
The positivity rate for the test, on average 2.7%, varies greatly from one department to another, much higher in the Val d’Oise (4.19%) and lower in Seine-et- Marne (1.99%).
