
Understanding Respiratory PCR Panels This Season
A look at how multiplexed respiratory PCR panels help clinicians differentiate COVID-19, influenza, and RSV faster than culture-based methods.
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A look at how multiplexed respiratory PCR panels help clinicians differentiate COVID-19, influenza, and RSV faster than culture-based methods.
Respiratory illness season brings a wave of overlapping symptoms across COVID-19, influenza, and RSV, making rapid, accurate differentiation essential to appropriate treatment and infection control.
Fever, cough, and fatigue look nearly identical across pathogens at presentation, and treatment pathways diverge quickly — antivirals, isolation precautions, and monitoring windows all depend on knowing which virus is in play.

Multiplexed testing turns a week of sequential single-target orders into a single specimen and a same-day answer.

Multiplexed PCR panels test for several pathogens from a single specimen, reducing turnaround time and specimen burden compared to sequential single-target testing.
This matters most in higher-acuity settings, where a delayed result can mean an extra day of empiric treatment or an avoidable admission.
Providers should consider syndromic panels when patients present with overlapping respiratory symptoms, particularly in higher-risk populations such as older adults, immunocompromised patients, and young children.
Reserve single-target testing for cases where the clinical picture and exposure history already point to one likely pathogen.
Dr. Amara Whitfield
PhD, Molecular Diagnostics
Dr. Whitfield leads assay development for Bio Gen Labs' respiratory testing program, with a focus on multiplexed PCR design.
More clinical perspectives and testing guidance from our medical and scientific teams.

