#COBA is selective for [[:Category:Streptococcus species|Streptococci]] species, which are ubiquitous in some species and frequently cause opportunistic infections. Tracheal washes, joint samples, and cervical swabs and potential Strep equi cases require this medium in addition to BA. | #COBA is selective for [[:Category:Streptococcus species|Streptococci]] species, which are ubiquitous in some species and frequently cause opportunistic infections. Tracheal washes, joint samples, and cervical swabs and potential Strep equi cases require this medium in addition to BA. |