FIG. 2.

Effects of Curosurf on in vitro growth of different GBS subtypes. A total of 7 × 10⁷ CFU of the encapsulated GBS LD (serotype Ia), wild-type GBS serotype III, wild-type GBS serotype Ib, or nonencapsulated GBS HD per ml were incubated with different concentrations of surfactant (1, 10, and 20 mg/ml) or without surfactant (saline) for 5 h at 37°C. Values are mean [Δ (5 h, 0 h)] log₁₀ CFU/ml ± the SD from six experiments. ∗, P < 0.01 versus saline.