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Related Concept Videos

Real Time RT-PCR02:57

Real Time RT-PCR

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Real-time reverse transcription-polymerase chain reaction, or Real-time RT-PCR, is an analytical tool used to determine the expression level of target genes. The method involves converting mRNA to complementary DNA with the help of an enzyme known as reverse transcriptase, followed by the PCR amplification of the cDNA. These two processes can be performed simultaneously in a single tube or separately as a two-step reaction.
The real-time quantification of the number of amplified products is...
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Related Experiment Video

Updated: Nov 18, 2025

Large-Scale SARS-CoV-2 Testing Utilizing Saliva and Transposition Sample Pooling
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Large-Scale SARS-CoV-2 Testing Utilizing Saliva and Transposition Sample Pooling

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Clinical and Economic Impact of Widespread Rapid Testing to Decrease SARS-CoV-2 Transmission.

A David Paltiel1, Amy Zheng2, Paul E Sax3

  • 1Public Health Modeling Unit, Yale School of Public Health, New Haven, CT.

Medrxiv : the Preprint Server for Health Sciences
|February 10, 2021
PubMed
Summary
This summary is machine-generated.

Frequent home testing for SARS-CoV-2 (severe acute respiratory syndrome coronavirus 2) can significantly reduce infections and deaths. This strategy offers a justifiable cost for pandemic control, warranting national consideration.

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Area of Science:

  • Epidemiology
  • Public Health
  • Health Economics

Background:

  • The impact of frequent, rapid testing on community transmission of SARS-CoV-2 remains unclear.
  • Understanding the performance standards and outcomes of nationwide, home-based antigen testing is crucial for effective pandemic response.

Approach:

  • A compartmental epidemic model was utilized to estimate viral transmission, clinical outcomes, and resource utilization with and without home-based SARS-CoV-2 antigen testing.
  • The model incorporated parameters informed by CDC guidance and published literature, focusing on the United States population over a 60-day period.

Key Points:

  • The model predicted 15 million infections and 125,000 deaths without testing, with associated costs of $10.4 billion.
  • Weekly home testing could avert 4 million infections and 19,000 deaths, despite an increase in overall costs.
  • Incremental costs per infection averted were estimated at $5,400, and per death averted at $1,100,000.

Conclusions:

  • High-frequency home testing for SARS-CoV-2, even with imperfect tests, can aid pandemic control at a justifiable cost.
  • This approach warrants consideration as part of a comprehensive national containment strategy.