Key points

Chikungunya, dengue, Zika

• Since the start of enhanced surveillance in the region, 401 cases of arboviral diseases—339 confirmed cases and 62 probable cases—have been investigated in Île-de-France, including 390 cases of dengue, 3 cases of chikungunya, 6 cases of Zika, and 2 cases of dengue/chikungunya co-infection; 400 imported cases and 1 possibly locally acquired case. There have been 64 reported hospitalizations for dengue, including 1 death, and 2 hospitalizations for chikungunya.

• The dengue cases were imported from the Caribbean (275), Latin America (47), Asia (47), and sub-Saharan Africa (20); the chikungunya cases from Mali, Senegal, and Côte d’Ivoire; the 6 Zika cases from Thailand; and the co-infection cases from India. Among the cases, 347 (87%) were potentially viremic in the Île-de-France region.

COVID-19

• COVID-19 surveillance based on emergency department visit data (SOS Médecins & Oscour®):

  • Emergency department visits (OSCOUR) related to COVID-19 remained stable compared to the previous week. The proportion of SOS Médecins cases remained stable compared to previous weeks. The number of visits followed by hospitalizations remained stable in Week 39 (141) compared to the previous week (142).

• Virological surveillance (Néo-SIDEP):

  • A 5% decrease in cases of infection (SARS-CoV-2-positive samples by RT-PCR and antigen tests) in Week 39 compared to the previous week. The testing rate is 137 cases per 100,000 inhabitants.