Alliance for Pandemic Preparedness

November 16, 2020

Pattern of SARS-CoV-2 Infection among Dependant Elderly Residents Living in Long-Term Care Facilities in Marseille, France, March–June 2020

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Results from a SARS-CoV-2 PCR-based screening campaign found a high proportion of asymptomatic infection among residents and staff of long-term care facilities in France, with higher frequencies among residents than staff (13.4% versus 8.7%). Among infected residents, 16.4% were detected based on symptoms and 83.6% through mass screening. While many SARS-CoV-2 positive residents had respiratory symptoms (44.5%) and fever (46.5%), 23.0% were asymptomatic. Mortality was positively associated with male sex (OR = 3.95), age > 85 years (OR = 2.43) and receiving oxygen therapy (OR = 5.16) and was negatively associated with detection through mass screening (OR = 0.20) and receiving hydroxychloroquine and azithromycin treatment for more than 3 days (OR = 0.37).

Ly et al. (Nov 2020). Pattern of SARS-CoV-2 Infection among Dependant Elderly Residents Living in Long-Term Care Facilities in Marseille, France, March–June 2020. International Journal of Antimicrobial Agents. https://doi.org/10.1016/j.ijantimicag.2020.106219