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Table 3 Seropositivity for 50 sera/region for R. helvetica , R. raoultii , R. slovaca , R. monacensis and R. felis in serum samples of dogs tested at serial dilutions

From: Serological differentiation of antibodies against Rickettsia helvetica, R. raoultii, R. slovaca, R. monacensis and R. felis in dogs from Germany by a micro-immunofluorescent antibody test

Rickettsial species

RH

RR

RS

RM

RF

No seropositive (%)

No seropositive (%)

No seropositive (%)

No seropositive (%)

No seropositive (%)

Titre

Differentiable

Not differentiable

Differentiable

Not differentiable

Differentiable

Not differentiable

Differentiable

Not differentiable

Differentiable

Not differentiable

1:128

1 (0.6%)

2 (2.9%)

5 (71.4%)

2 (4.0%)

0 (0.0%)

0 (0.0%)

0 (0.0%)

0 (0.0%)

0 (0.0%)

1 (100.0%)

1:256

10 (6.1%)

5 (7.1%)

1 (14.3%)

3 (6.0%)

0 (0.0%)

1 (11.1%)

0 (0.0%)

1 (20.0%)

0 (0.0%)

0 (0.0%)

1:512

36 (21.8%)

12 (17.1%)

0 (0.0%)

9 (18.0%)

2 (50.0%)

2 (22.2%)

0 (0.0%)

1 (20.0%)

0 (0.0%)

0 (0.0%)

1:1024

86 (52.1%)

29 (41.4%)

0 (0.0%)

23 (46.0%)

1 (25.0%)

5 (55.5%)

0 (0.0%)

1 (20.0%)

0 (0.0%)

0 (0.0%)

1:2048

12 (7.3%)

9 (12.9%)

1 (14.3%)

6 (12.0%)

1 (25.0%)

1 (11.1%)

0 (0.0%)

2 (40.0%)

0 (0.0%)

0 (0.0%)

1:4096

20 (12.1%)

13 (18.6%)

0 (0.0%)

7 (14.0%)

0 (0.0%)

0 (0.0%)

0 (0.0%)

0 (0.0%)

0 (0.0%)

0 (0.0%)

No total

165

70

7

50

4

9

0

5

0

1

  1. RH: Rickettsia helvetica.
  2. RR: Rickettsia raoultii.
  3. RS: Rickettsia slovaca.
  4. RM: Rickettsia monacensis.
  5. RF: Rickettsia felis.