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Related Experiment Video

Updated: Dec 14, 2025

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Current and Perspective Diagnostic Techniques for COVID-19.

Xi Yuan1, Chengming Yang2, Qian He1

  • 1Center of Precision Medicine and Healthcare, Tsinghua-Berkeley Shenzhen Institute, Shenzhen, Guangdong 518055, China.

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|July 18, 2020
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Accurate diagnosis of coronavirus disease 2019 (COVID-19) is crucial for public health. This review compares various diagnostic methods to improve early detection and management of SARS-CoV-2 infections.

Keywords:
COVID-19SARS-CoV-2biosensorsdiagnosticsimmunoassaymolecular diagnostics

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Area of Science:

  • Virology
  • Infectious Diseases
  • Public Health

Background:

  • The coronavirus pandemic (COVID-19), caused by SARS-CoV-2, has led to a global health crisis with significant economic and social impacts.
  • Early and accurate diagnosis of SARS-CoV-2 is essential for effective public health surveillance, prevention, and control.
  • High rates of asymptomatic cases and false negatives necessitate improved diagnostic strategies.

Purpose of the Study:

  • To provide a comprehensive summary and comparison of current diagnostic methods for SARS-CoV-2.
  • To guide researchers and clinicians in developing effective strategies for timely and accurate COVID-19 detection.
  • To explore novel diagnostic techniques and devices for improved viral detection.

Main Methods:

  • Review of existing literature on SARS-CoV-2 diagnostic techniques.
  • Comparison of various diagnostic approaches, including nucleic acid, protein, and particle detection.
  • Survey of current biosensors, diagnostic devices, and chest tomography for COVID-19 diagnosis.

Main Results:

  • Current diagnostic methods face challenges including high false-negative rates and the prevalence of asymptomatic infections.
  • Combinative approaches, multi-site sampling, and consecutive testing are proposed to enhance detection accuracy.
  • Evolving diagnostic and therapeutic strategies are being developed alongside a deeper understanding of SARS-CoV-2 pathology.

Conclusions:

  • Effective strategies for timely and accurate SARS-CoV-2 detection are critical for managing the COVID-19 pandemic.
  • Further development of novel diagnostic techniques and devices is needed to address current limitations.
  • Long-term monitoring and tracking of discharged patients are necessary due to potential recurrence.