6 lyophilized pellets de un simple microorganismososos strain for Control de calidad:
LYFO DISK™ Escherichia coli (O121:H19) derived from CDC 02-3211 (STEC)
KWIK-STIK™ Escherichia coli serotype O26:H11 derived from CDC 03-3014 (STEC)
LYFO DISK™ Escherichia coli (O45:H2) derived from CDC 00-3039
LYFO DISK™ Escherichia coli (O157:H7) derived from ATCC® 35150 (STEC)