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. 2020 Feb 5;6(6):eaay9258. doi: 10.1126/sciadv.aay9258

Fig. 3. Anti-PTx prophylaxis did not affect initial colonization with B. pertussis or antibody response to Fha.

Fig. 3

(A) Nasopharyngeal washes collected from each baboon 3 to 4 days after infection were serially diluted and plated on selective media to quantify the B. pertussis CFU recovered (group means shown as a bar; n = 7 per group). No significant differences between treatment groups were observed (ANOVA; α = 0.05, P = 0.3). (B) Serum anti-Fha titers were determined by ELISA twice weekly throughout the experiment. The baboons had varied, but not significantly different, primary responses to Fha by treatment group; compared on day 27/28 by ANOVA (α = 0.05, P = 0.08; note that only three of seven control animals survived to this date).