∞ generated and posted on 2016.01.17 ∞
Proteins associated with flagella, which are used to distinguish among bacterial strains.
Specifically these are among strains of members of family Enterobacteriaciae. See, e.g., the 'H' in .
We use the term 'serovar' to describe bacterial strains that have been distinguished in the particularly in terms of what antigens they carry.