Comparison of SARS-CoV-2 Specimen Types: Nasal Swabs, Nasopharyngeal Swabs and Beyond
The nasopharyngeal (NP) swab serves as the primary specimen type for respiratory molecular pathogen detection. During the novel coronavirus infectious disease (COVID) pandemic of 2019, the NP swab became the
Read MoreRole of Quantitative Serology Testing for COVID-19
The current pandemic has led to considerable interest in COVID-19 related laboratory testing. The widespread distribution of the various vaccines, the emerging genetic variants of SARS-CoV-2 circulating around the
Read MoreHepatitis B Serologic Testing Methods
Hepatitis B virus (HBV) was first discovered in 1965. Briefly, HBV is a DNA virus from the Hepadnaviridae family which is spread via contaminated body fluids. After exposure, the virus enters hepatocytes and .....
Read MoreAcid Fast Bacilli (AFB) Smear and Culture Testing
It is a foundational principle for any laboratory test procedure that the value of the test heavily relies on using specimens that have been properly collected, labelled, handled or stored prior to....
Read MoreThe SARS-CoV-2 Variant and its Impact on Diagnostic Testing
The new SARS-CoV-2 mutant (VOC 202012/01) has become the dominant variant in the United Kingdom (UK) with the first known case in the United States identified on December 29, 2020.
Read More
