Key indicators

Virological Surveillance

• The number of positive PCR tests decreased (-45%) in week 18 compared to week 17 in hospital laboratories and private laboratories (3Labos).

• The number of positive PCR tests was 2,034 in hospital laboratories and 429 in private laboratories monitored during Week 18.

• During Week 18, in private laboratories (3Labos), the positivity rate for PCR tests by department ranged from 3.3% in Yvelines to 9.2% in Seine-Saint-Denis. It was 6.4% for the Île-de-France region.

• The positivity rates for both data sources fell below 10%:LABM (3 labos): 6.4% positive tests in week 18 (12.1% in week 17)Hospital laboratories: 9.7% positive tests in week 18 (15.1% in week 17)

Community surveillance

• SOS Médecins: slight decrease (-13%) in the rate of consultations for suspected COVID-19 per 10,000 consultations: 648 in week 18 (776 in week 17)

• Sentinelles Network: 95 (tele-)consultations for acute respiratory infection per 100,000 inhabitants in week 18 (85 in week 17), stable.

Surveillance in long-term care facilities, including nursing homes

• As of May 4, 2020, 45,658 cases (residents and staff) were reported in long-term care facilities (vs. 42,972 as of April 28) and 5,550 deaths were reported (residents: 5,271 as of April 28)

• Of these, 36,175 cases (residents and staff) were reported in long-term care facilities as of May 4 (vs. 34,748 on April 28), and 5,416 deaths were reported among residents of long-term care facilities (vs. 5,144 on April 28)

Hospital surveillance

• Oscour® Network: decrease (-22%) in the rate of visits for suspected COVID-19 per 10,000 visits: 849 in week 18 (1,083 in week 17)

• Sentinel intensive care units: 70% of severe COVID-19 cases are under 65 years of age, and 77% of cases had at least one risk factor

Mortality surveillance

• Excess mortality across all causes and age groups has been observed for the sixth consecutive week at the regional level. Excess mortality was estimated at 123% in week 16 and 53% in week 17. The decline in excess mortality observed since week 15 is confirmed.