TABLE 2.

Opsonophagocytic activity of affinity-purified anti-HMW antibodies purified from intravenous immunoglobulin against a panel of nontypable H. influenzae strainsa

Anti-HMW PrepnOpsonophagocytic titer for strain:
1215161711
Anti-12402020800
Anti-152080<10800
Anti-16404020800
Anti-17204020800
  • a Strains 12, 15, 16, and 17 all express proteins of the HMW1/HMW2 family. Strain 11 does not express proteins of the HMW1/HMW2 family.