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Table 2 Characteristics of surveyed sheep farms and their locations

From: Presence of antibodies against tick-borne encephalitis virus in sheep in Tunisia, North Africa

Locality (District)

Flocks’ N°

Total number of sheep in sampled flocks

Seropositive by SNT/Total tested (%; 95% CI [lower - upper])

Latitude

Longitude

Altitude (m)

Ain Draham (Jendouba)

1

8

0/7

36°54'41"

8°44'56"

750

2

9

0/7

36°53'38"

8°44'36"

750

3

10

0/4

36°47'47"

8°40'46"

510

4

20

0/9

36°42'52"

8°40'31"

570

Subtotal

 

47

0/27

   

Cap Negro (Béja)

1

20

0/9

37°02’26”

9°06’26”

120

2

7

0/2

37°01’56”

9°05’31”

120

3

30

0/11

37°05’05”

9°03’18”

150

4

25

0/14

37°05’05”

9°03’20”

120

5

45

1/13

37°03’59”

9°02’44”

100

Subtotal

 

127

1/49 (2.04; [0.36 - 10.69])

   

Sedjnene (Bizerte)

1

90

0/11

37°03’03”

9°27’39”

280

2

120

0/12

37°11’33”

9°22’00”

30

3

100

0/16

37°12’02”

9°25’07”

69

Subtotal

 

310

0/39

   

Amdoun (Béja)

1

20

0/12

36°51’15”

9°00’25”

470

2

30

0/20

36°51’14”

9°00’24”

470

3

35

0/9

36°51’12”

9°00’23”

460

4

20

0/10

36°51’21”

8°58’50”

530

Subtotal

 

105

0/51

   

El Jouf (Zaghouan)

1

50

0/16

36°18’51”

10°06’03”

380

2

50

0/23

36°18’55”

10°05’55”

390

Subtotal

 

100

0/39

   

Takelsa (Nabeul)

1

50

0/20

36°50’23”

10°41’27”

110

2

60

0/13

36°51’37”

10°44’20”

40

3

10

0/5

36°51’36”

10°44’20”

50

4

50

0/20

36°48’41”

10°41’47”

80

Subtotal

 

160

0/58

   

Total

22

859

1/263 (0.38; [0.07 - 2.12])

   
  1. Italic values indicate subtotal for each district
  2. 95% CI 95% confidence interval, SNT Seroneutralisation test