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Table 4 Number of disease diagnosis cases that included at least one of the five bacterial agents (and the most common polymicrobial interactions within a case) by body system in the last 6 years

From: Detection and disease diagnosis trends (2017–2022) for Streptococcus suis, Glaesserella parasuis, Mycoplasma hyorhinis, Actinobacillus suis and Mycoplasma hyosynoviae at Iowa State University Veterinary Diagnostic Laboratory

Infectious etiology(ies)

Total

%1

Annual Average

Body system2

S. suis cases

9868

100%

  

S. suis (only)

2511

25%

419

Mult Sys (55%), Res (22%), Ner (14%), Mus (5%), Card (4%)

S. suis + any other infectious etiology

7357

75%

Mult Sys (72%), Res (23%)

S. suis + PRRSV

962

10%

160

Mult Sys (79%), Res (21%)

S. suis + G. parasuis

458

5%

77

Mult Sys (76%), Res (24%)

S. suis + IAV

374

4%

63

Res (64%), Mult Sys (36%)

S. suis + G. parasuis + PRRSV

326

3%

39

Mult Sys (87%), Res (13%)

S. suis + multocida + PRRSV

313

3%

31

Mult Sys (73%), Res (27%)

S. suis + multocida

228

2%

38

Res (75%), Mult Sys (25%)

S. suis + IAV + PRRSV

175

2%

29

Mult Sys (73%), Res (27%)

S. suis + G. parasuis + M. hyorhinis + PPRSV

167

2%

28

Mult Sys (98%), Res (2%)

S. suis + G. parasuis + IAV

137

1%

23

Res (52%), Mult Sys (48%)

S. suis + M. hyorhinis + PPRSV

137

1%

23

Mult Sys (99%), Res (1%)

G. parasuis cases

5760

100%

  

G. parasuis (only)

941

16%

157

Mult Sys (63%), Res (30%), Card (3%), Mus (2%), Ner (1%)

G. parasuis + any other infectious etiology

4819

84%

Mult Sys (79%), Res (21%)

G. parasuis + PRRSV

531

9%

89

Mult Sys (84%), Res (16%)

G. parasuis + IAV

299

5%

50

Res (49%), Mult Sys (51%)

G. parasuis + M. hyorhinis + PRRSV

183

3%

31

Mult Sys (98%), Res (2%)

G. parasuis + M. hyorhinis

169

3%

29

Mult Sys (90%), Res (5%), Mus (5%)

G. parasuis + IAV + PRRSV

133

2%

23

Mult Sys (76%), Res (24%)

M. hyorhinis cases

3292

100%

  

M. hyorhinis (only)

281

9%

55

Mult Sys (85%), Mus (8%), Card (4%), Res (2%)

M. hyorhinis + any other infectious etiology

3011

91%

6

Mult Sys (87%), Res (13%)

M. hyorhinis + PRRSV

345

10%

60

Mult Sys (96%), Res (4%)

A. suis cases

1831

100%

  

A. suis (only)

682

37%

114

Res (52%), Mult Sys (41%), Mus (4%), Card (2%)

A. suis + any other infectious etiology

1149

63%

Mult Sys (70%), Res (29%)

A. suis + PRRSV

121

7%

20

Mult Sys (62%), Res (38%)

M. hyosynoviae cases

133

100%

  

M. hyosynoviae (only)

95

71%

7

Mus (100%)

M. hyosynoviae + any other infectious etiology

38

29%

2

Mus (98%), Mult Sys (2%)

M. hyosynoviae + PRRSV

6

5%

2

Mult Sys (100%)

M. hyosynoviae + S. suis

4

3%

1

Mus (75%), Mult Sys (25%)

  1. 1Percentages are based on the total number of cases of the five bacterial agents of interest
  2. 2Card Cardiovascular-Blood-Endocrine-Immune, Mus Musculoskeletal, Mult Sys Multisystemic, Ner Nervous, Res Respiratory