Chameleon™ COLOREX™ StrepB (RUO) is a selective and differential chromogenic culture medium used for the qualitative determination of Group B Streptococcus (GBS) colonization in pregnant women. This medium supports the growth of hemolytic and nonhemolytic GBS strains. Test specimens include urine, vaginal, or vagino/rectal swabs obtained from pregnant women. For Research Use Only (RUO). Not for use in diagnostic procedures unless Laboratory Developed Test (LDT) validation with the product has been completed. Further identification, susceptibility testing, and epidemiological typing should be performed on suspect colonies.• Product meets CLSI performance criteria.• Chameleon™ COLOREX™ StrepB should be used by trained professionals within a laboratory setting. • For research and development use only (RUO).• Product is not intended for use in the diagnosis or treatment of disease or other human conditions.