In nucleic acid testing, what are the main types of specimens collected, and what are the advantages and disadvantages of each? A variety of specimens can be collected for laboratory testing at the time of diagnosis of COVID-19 cases. Upper respiratory tract samples can be collected: including nasopharyngeal swabs, oropharyngeal swabs, etc.; lower respiratory tract samples can also be collected: …
A variety of specimens can be collected for laboratory testing at the time of diagnosis of COVID-19 cases. Upper respiratory tract samples can be collected: including nasopharyngeal swabs, throat swabs, etc.; lower respiratory tract samples can also be collected: deep cough sputum, bronchoalveolar lavage fluid, bronchial lavage fluid, respiratory tract aspirates, etc.; stool samples can also be collected / Anal …
More and more countries recommend nasopharyngeal (NP) flocked swabs as the preferred specimen collection device for influenza testing. The reasons for using sample collection flocked swab for the flu: Flocked swabs exhibit a superior recovery and elution of specimens. Flocked swabs provide better sample collection due to their brush-like tip, which releases higher numbers of target cells and retains more liquid sample …