Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Intranasal challenge experiments in BALB/c mice using B. pertussis WHO reference strain 18323
|
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 |
NR. Not recovered
