Company Product Description Indication Status
Bio-Rad Laboratories Inc., of Hercules, Calif. QX200 Droplet Digital PCR (ddPCR) system Consists of a droplet generator and droplet reader; combines water-oil emulsion droplet technology with microfluidics For the clinical detection of SARS-CoV-2 Clinicians in Wuhan, China, observed that a subset of infected individuals who tested negative for COVID-19 using qPCR tested positive using ddPCR; the findings suggest that ddPCR can reduce false negative results of COVID-19 without any increase to false positive results
Bio-Rad Laboratories Inc., of Hercules, Calif. QX200 Droplet Digital PCR (ddPCR) system Consists of a droplet generator and droplet reader; combines water-oil emulsion droplet technology with microfluidics For the clinical detection of SARS-CoV-2 A second study, led by the National Institute of Metrology and provincial CDCs in China, also concluded that ddPCR significantly improves diagnostic detection accuracy of SARS-CoV-2 from 28.2% to 87.4%, thereby reducing false negatives; also showed that ddPCR is more sensitive and suitable for low virus load specimens from patients under isolation and observation even without any clinical symptoms

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