By mid-October 2020, the list of methods for SARS-COV-2 testing (molecular, antigen, rapid, and serology), broke the 870 mark.  Rather than ask laboratories to evaluate more than 870 possibilities, we've narrowed the candidates down to a short list.

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 Westgard QC is proud to announce the new 4th edition of our most popular textbook, Basic QC Practices.