The sensitivity and specificity of a diagnostic test depend on several factors. Not just the kit. I do not have any data on the accuracy of the kit that is used in India.
However the viral load varies with site of sampling. Please see:
Wenling Wang; Yanli Xu; Ruqin Gao; et al Detection of SARS-CoV-2 in Different Types of Clinical Specimens. Jama 2020 (in press).
Although bronchoscopic samples have the highest yield these are invasive and expose healthcare professionals to highest viral load. I would not do a bronchoscopy just to get a sample for SARS-Cov-2. However if I was doing a bronchoscopy on a patient for another reason I would send the sample.
The sensitivity and specificity of a diagnostic test depend on several factors. Not just the kit. I do not have any data on the accuracy of the kit that is used in India.
However the viral load varies with site of sampling. Please see:
Wenling Wang; Yanli Xu; Ruqin Gao; et al Detection of SARS-CoV-2 in Different Types of Clinical Specimens. Jama 2020 (in press).
Although bronchoscopic samples have the highest yield these are invasive and expose healthcare professionals to highest viral load. I would not do a bronchoscopy just to get a sample for SARS-Cov-2. However if I was doing a bronchoscopy on a patient for another reason I would send the sample.