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. 2019 Oct 10;3:100046. doi: 10.1016/j.jvacx.2019.100046

Table 1.

Assessment of the protection induced by the indicated treatments against morbidity and mortality after intravenous S. suis serotype 9 challenge.

Immunization antigen Morbidity Mortality Mean clinical scoree (SD) Clinical signs
Max. body temperature (°C)
CNSa Lameness no feed intakee <40 ≥40 and ≤40.2 >40.2
placebo 8/9 8b/9 21 (8.1) 4/9 3c/9 4(6)d/9 1d/9 0d/9 6d/9
rIdeSsuis 8/9 0/9 6 (3.9) 0/9 4/9 1/9 1/9 1/9 7/9
a

Signs of central nervous system (CNS) dysfunction such as convulsions and opisthotonus.

b

One placebo-treated piglet showed central nervous system dysfunction and reached a score of 25 on the last day of the experiment.

c

Three additional piglets became recumbent.

d

Two piglets died a few hours after experimental infection prior to the first feeding and measurement of body temperature.

e

For the detailed clinical scoring system see Table S1.