A new study in JAMA Internal Medicine examines COVID-19 prevalence in a single Seattle-area combined assisted and independent care facility, and shows that symptomatic surveillance alone does not provide an accurate picture of COVID-19 prevalence in that setting.
While many residents complained of COVID-19 symptoms, few had the virus when tested twice over a period of weeks.The facility featured independent apartments, common spaces (including a shared library), and more intensive assisted-care rooms.
After two residents in the facility were hospitalized with COVID-19, a total of 142 residents and staff exposed to those cases were tested for the virus using real-time reverse transcription polymerase chain reaction (PCR) assays.Three
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