Related Experiment Video
Updated: May 2, 2026
07:54
Two-Step Reverse Transcription Droplet Digital PCR Protocols for SARS-CoV-2 Detection and Quantification
Published on: March 31, 2021
4.6K
Current molecular diagnostics assays for SARS-CoV-2 and emerging variants.
Jonathan M Banks1, Kristelle Capistrano1, Pari Thakkar1
1Department of Periodontics, College of Dentistry, University of Illinois Chicago, Chicago, IL, United States.
Methods in Microbiology
|April 15, 2024
Summary
Accurate COVID-19 testing is crucial for pandemic control. This chapter reviews SARS-CoV-2 variants and diagnostic methods like PCR, serology, CRISPR, and biosensors, especially with vaccine development.
Area of Science:
- Virology and Molecular Diagnostics
- Infectious Disease Epidemiology
- Biotechnology and Biosensing
Background:
- The COVID-19 pandemic necessitated rapid development of diagnostic assays for SARS-CoV-2.
- Viral evolution led to new variants, posing challenges for detection and containment.
- Existing diagnostic methods faced limitations against evolving viral strains.
Purpose of the Study:
- To examine emerging SARS-CoV-2 variants.
- To discuss major COVID-19 diagnostic techniques, including real-time PCR, serology, CRISPR, and electronic biosensors.
- To analyze diagnostic assay performance in the context of vaccination.
Main Methods:
- Review of scientific literature on SARS-CoV-2 variants.
- Analysis of diagnostic technologies: real-time PCR, serology, CRISPR, and electronic biosensors.
- Discussion of diagnostic challenges and advancements in relation to viral mutations and vaccines.
Main Results:
- Multiple SARS-CoV-2 variants have emerged, exhibiting increased transmissibility and immune evasion.
- Various diagnostic platforms show differing sensitivities and specificities for variant detection.
- The interplay between viral variants, diagnostic accuracy, and vaccine efficacy is complex.
Conclusions:
- Continuous improvement of diagnostic assays is vital to track and manage SARS-CoV-2 evolution.
- A combination of testing strategies may be required to address diverse viral variants.
- Understanding diagnostic capabilities is essential for effective public health strategies during the ongoing pandemic and vaccination efforts.
