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Remote Laboratory Management: Respiratory Virus Diagnostics
14:56

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Published on: April 6, 2019

Respiratory Outbreak Mitigation With Point-of-Care Testing in Long-Term Care: A Randomized Clinical Trial.

Christopher Kandel1,2,3, Daphne Oriotis4, Heather L Candon4

  • 1Michael Garron Hospital, Toronto, Ontario, Canada.

JAMA Internal Medicine
|July 6, 2026
PubMed
Summary
This summary is machine-generated.

On-site respiratory multiplex PCR testing in nursing homes did not reduce outbreak size but decreased emergency department transfers. This improved viral testing, case detection, and antiviral therapy initiation for influenza.

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Area of Science:

  • Infectious Diseases
  • Public Health
  • Geriatric Medicine

Background:

  • Nursing home residents face high risks from respiratory infections like SARS-CoV-2, influenza, and RSV.
  • Seasonal outbreaks in nursing homes lead to significant morbidity and mortality.

Purpose of the Study:

  • To evaluate the impact of on-site point-of-care respiratory multiplex PCR (POC-RMPCR) on nursing home outbreaks.
  • To assess the effect on outbreak size, emergency department transfers, and resident deaths.

Main Methods:

  • A multicenter, open-label, cluster randomized trial involving 20 nursing homes in Toronto, Canada.
  • Intervention involved trained nursing home staff performing on-site POC-RMPCR.
  • Primary outcome: SARS-CoV-2, influenza, and RSV outbreak size and number. Secondary outcomes: resident ED transfers and death rates.

Main Results:

  • No significant difference in outbreak number or size between intervention and control groups (Rate Ratio 1.12).
  • Lower emergency department transfers for confirmed and confirmed/suspected infections in intervention homes.
  • Increased viral testing rates, improved confirmed-to-suspect case ratio, and faster antiviral initiation observed.

Conclusions:

  • On-site POC-RMPCR did not alter nursing home outbreak size but reduced ED transfers.
  • The technology enhanced viral testing, case detection, and timely antiviral therapy for influenza.
  • Widespread adoption could prevent an estimated 4 ED transfers per 100 beds annually.