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Table 3 Mortality and bacterial load in the chickens post-challenge

From: Oral immunization with a novel attenuated Salmonella Gallinarum encoding infectious bronchitis virus spike protein induces protective immune responses against fowl typhoid and infectious bronchitis in chickens

Groupsa Challengeb
Mortalityc Liverd Spleend
PBS 8/10 2/2* 2/2*
JOL2068 1/10 3/9 2/9
JOL2077 1/10 5/9 1/9
  1. a7 day old chickens (n = 10) were orally immunized with PBS, JOL2068 or JOL2077.
  2. bChallenge was performed with a lethal wild-type SG strain (1.6 × 106 CFU) after 28 days post-vaccination.
  3. cNumber of dead birds upon challenge.
  4. dNumber of birds positive for SG. *p < 0.05.