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Table 1 Intranasal challenge experiments in BALB/c mice using B. pertussis WHO reference strain 18323

From: A proteoliposome formulation derived from Bordetella pertussis induces protection in two murine challenge models

Treatments (s.c. immunization) Bacteria recovered post challenge (Log CFU/g lung ± S.D.)
  2 hrs 4th day 7th day
DTwP vaccine 7.85 ± 0.39 NR NR
B. pertussis PL 6.68 ± 0.65 NR NR
PBS 8.02 ± 0.2 6.85 ± 0.44 6.48 ± 0.11
  1. NR. Not recovered