Each dose of vaccine contains:
Active substances:
Live non-pathogenic Escherichia coli O8:K87* (F4ac): 1.3x108 to 9.0x108 CFU**
Live non-pathogenic Escherichia coli O141:K94* (F18ac): 2.8x108 to 3.0x109 CFU**
*not attenuated
**CFU – colony forming units