=+15.20 ● Some investigators think that the concentration

(mg/mL) of a particular antigen in supernatant fluids could be related to onset of meningitis in infants. The accompanying data are typical of that given in plots in the article

“Type-Specific Capsular Antigen Is Associated with Virulence in Late-Onset Group B Streptococcal Type III Disease” (Infection and Immunity [1984]: 124–129).