A British ex-police officer previously fact-checked by Reuters has shared misleading claims about COVID-19 on Facebook. Mark Sexton uploaded several inaccurate statements to Facebook on July 12 (here) ...

With standard PCR systems, users are required to set a predefined quantity of cycles according to assay and sample-specific factors. Single-cell sequencing tests demand knowledge of the number of ...

COVID-19 is commonly diagnosed by quantitative fluorescence real-time reverse transcriptase-polymerase chain reaction (qRT-PCR) (1, 2). The test is the sequential action of two enzymes–an ...

A 1985 prototype of a semi-automated thermal cycler, hot and cold water baths not included. Credit: Courtesy of The Smithsonian Institution" />A 1985 prototype of a semi-automated thermal cycler, hot ...

Biochemist Kary Mullis says he was driving from the Bay Area to his cabin in Mendocino in 1983 when suddenly, like a bolt of lightning out of the California sky, he came up with a way to pinpoint a ...

The rules on when to take a PCR test and when to take a lateral flow have changed in England, as the UK hits more than 142,000 daily Covid cases. From January 11, those without symptoms do not need to ...