Intranasal Immunization with Chitosan/pCAGGS-flaA Nanoparticles Inhibits Campylobacter jejuni in a White Leghorn Model

Table 3

Average positive rate of swab specimens of White Leghorn chickens challenged with strain ALM-80.

Group	Average positive rate of swab specimens after oral challenge
	7 days	14 days	21 days
CS-pCAGGS-flaA	47.62% (10/21)	30.77%  (4/13)^a	0.00%  (0/9)^a
CS-pCAGGS	47.62% (10/21)	53.33% (8/15)	44.44% (4/9)
PBS	42.86% (9/21)	53.33% (8/15)	55.56% (5/9)

aSignificantly different (𝑃<.05) among vaccine groups as calculated by Student’s 𝑡-test.