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. 2020 Apr 15;7:174. doi: 10.3389/fvets.2020.00174

Table 4.

Novel approaches and strategies for attenuated erysipelas vaccines.

Vaccine type E. rhusiopathiae strain Specifics Dose (route)a Challenge serovar Species No. of animals used Survival References
Attenuated (vectored) YS-1 R1b and R2 regions of the P97 adhesin of M. hyopneumoniae strain E-1 fused with SpaA 2 (IN)
1 (IN)
1a Pigs 3
3
100%
0%
(154)
Koganei 65-0.15 7 (oral) 1a Pigs 8 100% (155)
Attenuated Δ432 651 mutants were screened in mice to determine attenuation and protective immunity 2 (oral)
1 (oral)
1a Pigs 10
10
100%
90%
(150)
a

Administration route: IN, intranasal.

b

R1 and R2 are repeat regions.