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Strategies for Scaling up SARS-CoV-2 Molecular Testing Capacity
1Department of Laboratory Medicine, National Institutes of Health Clinical Center, Bethesda, MD 20892, USA.
Clinics in Laboratory Medicine
|May 31, 2022
Summary
Scaling up severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) testing was vital during the COVID-19 pandemic. Laboratories utilized pooled testing and automation to increase capacity while ensuring high individual test performance.
Area of Science:
- Virology
- Public Health
- Laboratory Science
Background:
- The COVID-19 pandemic necessitated a rapid scale-up of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) testing.
- Maintaining clinical operations and societal functions depended on widespread diagnostic capabilities.
Purpose of the Study:
- To review cutting-edge strategies for expanding SARS-CoV-2 testing capacity.
- To evaluate methods that maintained high individual test performance during mass testing efforts.
Main Methods:
- Review of laboratory strategies including pooled testing.
- Analysis of automation in high-throughput diagnostic workflows.
- Examination of novel approaches to SARS-CoV-2 detection.
Main Results:
- Pooled testing and automation were key to meeting unprecedented demand for SARS-CoV-2 detection.
- Various innovative methods were employed to enhance testing throughput.
- Strategies focused on balancing speed and accuracy in diagnostic testing.
Conclusions:
- Effective scaling of SARS-CoV-2 testing relied on strategic implementation of pooled testing and automation.
- Continued innovation in diagnostic technologies is crucial for pandemic preparedness.
- Maintaining high-quality testing is paramount even during public health emergencies.

