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Table 1 Virulence of bacterial strains used in this study. HV stands for highly virulent, V stands for virulent, WV stands for weakly virulent, and AV stands for avirulent. The virulence in pigs is described in [35] and the scale of virulence in pig infection model is as described in [35]. Strains leading to more than 50% mortality of G. mellonella larvae post-infection with 107 CFU/ml were considered virulent, and strains leading to less than 50% mortality of G. mellonella larvae were considered weakly virulent

From: Evaluation of Galleria mellonella larvae for studying the virulence of Streptococcus suis

Strain

Serotype

Virulence in pigs [35]

Virulence in G. mellonella

Clinical source

Reference/source

6388

1

HV

V

Organs

Laboratory collection [45]

6555/NCTC 428

1

V

WV

  

T15

2

AV

WV

Tonsil

Laboratory collection [46]

S735R2

2

WV

WV

Unknown

Laboratory collection [35]

P1/7

2

V

V

Unknown

Laboratory collection [35]

3881/S10

2

V

V

 

[47]

(J28) S10 cpsΔEF

2

AV

WV

 

[17]

15965

3

ND

V

  

5213

4

ND

V

  

8039

7

ND

V

CNS

Laboratory collection [40]

7709

9

ND

V

Bacteraemia

Laboratory collection [40]

C132

9

ND

WV

Brain/septicemia

Laboratory collection [40]

7998

9

ND

V

Joint

Laboratory collection [40]

8186

9

ND

WV

Tonsil

Laboratory collection [40]

5128/22083

9

ND

V

  
  1. V virulent, HV highly virulent, WV weakly virulent, AV avirulent, ND not determined