Key Points

COVID-19

• Decrease in viral circulation as measured by biological indicators.

• Most other indicators tracked as part of this surveillance have stabilized or decreased, with the exception of an increase in reported cases among residents in long-term care facilities.

Chikungunya, dengue, Zika

• Since the start of enhanced surveillance, 23 imported cases of dengue and 1 imported case of chikungunya have been identified in the region.

• Three episodes of local dengue transmission and 51 cases have been identified in the region.

West Nile virus

• Five cases of West Nile virus infection have been confirmed by the CNR. These are locally transmitted cases involving individuals residing in or having stayed in the Bouches-du-Rhône (2) and Var (3) departments.

• Four equine cases were also confirmed by the LNR in the Var department in August and September.

Monkeypox

• As of November 1, 2022, 285 confirmed cases among residents of the Paca region had been reported.

Bronchiolitis

• Second week of the outbreak.

• Emergency departments - The proportion of visits for bronchiolitis among children under 2 years of age is rising sharply (14.0% vs. 10.9% in Week 42).

• SOS Médecins - The proportion of consultations for bronchiolitis in children under 2 years of age is rising sharply (7.2% vs. 5.7% in Week 42).

• Virological data - The number of RSV cases detected in Week 43 by the Rénal network is rising sharply (328 RSV cases have been isolated since Week 36).

Influenza

• Emergency departments - Emergency department activity related to influenza-like illnesses remains low.

• SOS Médecins - The proportion of consultations for a diagnosis of influenza-like illness is stable.

• Sentinel Network - The incidence rate for influenza-like illness reported by the Sentinel Network in Week 43, not yet consolidated, is 132 per 100,000 inhabitants (95% CI [47; 217]).

• Virological surveillance - Since the start of surveillance, the Rénal network has isolated 82 type A viruses and 11 type B viruses. Physicians in the Sentinelles network have isolated 3 influenza viruses.