To control for contamination, samples from β-hemolytic GBS doses were plated in duplicate on Columbia blood agar 5% with sheep blood medium (Thermo Scientific, MA, US) and on CHROMID Strepto B agar (BioMérieux, Saint-Laurent, QC, Canada), a selective chromogenic medium for the screening ...
The cobas Liat Strep A Assay detects Streptococcus pyogenes (group A β-hemolytic streptococcus) DNA by targeting a segment of the S. pyogenes genome. The operator transfers an aliquot of a throat swab sample in Amies medium into a cobas Liat Strep A Assay tube, scans the relevant tube and ...