Serum opacity factor of Staphylococcus epidermidis.

  title={Serum opacity factor of Staphylococcus epidermidis.},
  author={S H el Tayeb and E M Nasr},
  journal={Infection and immunity},
  volume={15 1},
Three Staphylococcus epidermidis strains produced a factor giving rise to opacity in different sera but not in albumin. Serum opacity factor was resistant to age and heat and active in acidic media.