Table 1 Anti-PSII IgG and OPKA titers in pooled serum samples from mice after one and two doses of the indicated PSII conjugates formulated with Alum where IgG titers are reported as relative Luminex units per mL (RLU/mL) and OPKA titers as serum dilutions mediating 50% bacterial killing.

From: Proof of concept for a single-dose Group B Streptococcus vaccine based on capsular polysaccharide conjugated to Qβ virus-like particles

Conjugate

Post-1

Post-2

Anti PSII IgG titer

OPKA titer

Anti PSII IgG titer

OPKA titer

PSII-CRM

587

<30

8774

432

PSII-ferritin

1295

53

8341

610

PSII-mI3

542

<30

4088

192

PSII-Qβ

4160

746

15,721

2932