DESC: Effectively isolate Gram-positive organisms from clinical samples using Columbia CNA Agar with Sheep Blood, a selective microbiological medium that includes colistin and nalidixic acid to inhibit gram-negative bacilli. Columbia CNA Agar has traditionally been used to identify staphylococci and streptococci. The addition of sheep blood to the medium allows distinct identification of S. pneumoniae through the production of clear alpha-haemolysis.  

PKG: 10 count