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Updated: Jun 7, 2026

Development of Multiplex Real-Time RT-qPCR Assays for the Detection of SARS-CoV-2, Influenza A/B, and MERS-CoV
Published on: November 10, 2023
[The application of molecular differential diagnoses platform in identification of the respiratory pathogens]
Wei-ning Han1, Zheng-ji Zhang, Xue-rong Ya
1Laoratory Department, Suzhou Center for Diseases Control and Prevention, Suzhou 215004, China.
Aim:
To establish a MDD (molecular differential diagnoses) platform for diagnosing the pathogens that may cause respiratory infection by combination of the advanced Tem-PCR(Target enriched multiplex PCR)with xMAP(multiple analyses profiling), and to evaluate the reliability and further use the platform to test clinic samples.
Methods:
22 throat swab specimen from outpatient patients of respiratory department in First Affiliated Hospital of Suzhou University and 20 respiratory tract lavage fluid specimen from inpatients of respiratory department in Affiliated Children Hospital of Suzhou University were collected, and the nucleic acids of the samples were amplified by Tem-PCR and xMAP.
Results:
Testing of the the known samples showed that the platform had excellent specificity and sensitivity. Testing of the clinic samples showed that the positive rate of the respiratory tract lavage fluid specimen was 63.6%, higher than that of the throat swab specimen, and that the positive rate of RNA pathogens was higher than that of DNA pathogens.
Conclusion:
A reliable MDD platform for detection of respiratory pathogens has been established with high-throughput detection capacity.
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