COVID-19 and Diagnostic Testing for SARS-CoV-2 by RT-qPCR-Facts and Fallacies.

Area of Science:

• Molecular Biology
• Virology
• Infectious Diseases

Background:

• Molecular testing, specifically RT-qPCR, is a cornerstone in the scientific response to SARS-CoV-2.
• Widespread misconceptions and exaggerated expectations surround the capabilities and utility of RT-qPCR technology.
• There is a critical need to address these inaccuracies in the context of the COVID-19 pandemic.

Purpose of the Study:

• To address and correct prevalent falsehoods and speculation regarding RT-qPCR for SARS-CoV-2 detection.
• To restate the established strengths and limitations of RT-qPCR technology.
• To provide a clear, evidence-based perspective on the performance and usefulness of RT-qPCR.

Main Methods:

• This is a commentary, not an experimental study.
• It involves reviewing and synthesizing existing knowledge on RT-qPCR performance.
• The approach focuses on clarifying established scientific principles and addressing common misunderstandings.

Main Results:

• Misconceptions regarding RT-qPCR for SARS-CoV-2 detection are widespread.
• Exaggerated expectations about the technology's capability, performance, and usefulness are common.
• The true strengths and limitations of RT-qPCR, known for decades, require re-emphasis.

Conclusions:

• Clarifying the capabilities and limitations of RT-qPCR is essential to combat misinformation.
• Accurate understanding of RT-qPCR is vital for its effective application in managing the COVID-19 pandemic.
• Addressing speculation will lead to more informed scientific and public health decisions regarding molecular diagnostics.