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Table 1 FMDV-WT tissue distribution

From: Pathogenesis of virulent and attenuated foot-and-mouth disease virus in cattle

 

Pre-viremic

Viremic

Time point (hpa)

0.1

3

6

12

24

48

72

96

Animal ID

931

1028

1029

1001

1002

1026

1027

930

927

694

938

960

928

929

9159

962

Clinical score

0

0

0

0

0

0

0

0

0

0

2

6

8

12

4

10

FMDV RNA copies/μl in serum

neg

neg

neg

neg

neg

neg

neg

neg

1.3

1.5

3.38

3.48

5.88

5.35

4.60

3.53

Tissue sample

Oral cavity/oropharynx

 Anterior tongue

2.81

-

-

-

-

-

-

-

-

2.66

2.65

3.38

5.69

6.39

3.90

-

 Lingual tonsil

2.85

-

-

-

-

2.60

-

-

4.63

-

-

3.64

2.87

4.87

5.26

3.31

 Anterior hard palate

3.06

-

-

-

-

-

-

-

-

-

NA

NA

5.30

4.76

3.58

NA

 Palatine tonsil

2.71

-

-

-

-

-

-

-

-

-

2.83

-

5.20

5.97

4.57

3.09

 Ventral soft palate-Caudal

-

-

-

-

-

3.49

2.94

3.99

4.80

3.40

-

3.26

4.96

3.86

4.98

4.12

Nasal cavity/Nasopharynx

 Nasal turbinates-posterior

2.97

-

-

-

-

-

-

NA

+

3.77

2.61

2.76

2.69

3.01

4.03

2.65

 Dorsal soft palate -Rostral

2.70

3.40

-

-

3.91

2.56

-

4.57

3.13

3.28

3.57

4.20

4.08

3.79

3.96

3.84

 Dorsal soft palate -Caudal

3.00

4.39

-

-

3.26

4.57

4.61

5.02

5.58

3.36

5.13

3.76

2.92

4.95

4.77

4.52

 Dorsal nasopharynx -Rostral

2.77

3.73

3.97

4.03

3.64

3.80

4.07

5.34

3.11

4.80

5.47

6.07

4.26

4.21

5.39

4.40

 Dorsal nasopharynx -Caudal

2.78

3.61

2.94

-

4.41

3.09

4.25

6.42

4.90

3.85

4.85

3.88

5.16

5.11

4.06

4.84

 Nasopharyngeal tonsil

-

-

-

-

-

-

-

3.06

3.58

3.35

3.30

3.43

3.21

2.94

2.94

-

 Ventral epiglottis

3.13

2.80

-

-

-

4.21

3.05

3.65

4.29

-

3.05

3.07

4.63

5.39

4.48

3.70

 Larynx

2.57

3.00

3.84

-

4.56

3.05

4.26

4.18

3.49

4.20

3.20

3.97

3.41

4.00

4.22

3.31

Lungs/Trachea

 Trachea −10 cm

2.69

-

-

3.20

-

-

2.70

-

-

-

3.13

6.37

4.64

2.58

4.09

3.71

 Proximal cranial lobe

2.78

3.69

-

-

2.72

3.77

4.26

5.18

3.12

5.35

6.75

7.15

4.82

6.09

5.27

NA

 Mid cranial lobe

3.25

3.14

-

3.87

-

2.65

5.12

3.79

4.59

3.71

7.05

6.65

-

3.69

5.80

NA

 Distal cranial lobe

2.99

4.08

2.69

3.78

-

-

5.50

6.10

2.64

5.91

7.25

8.18

3.05

3.48

7.10

NA

 Proximal mid lobe

2.91

3.28

-

-

-

4.51

4.64

5.72

2.91

5.77

6.13

7.08

5.84

4.73

4.09

5.84

 Mid mid lobe

2.93

3.21

-

-

-

3.64

4.43

5.21

4.10

5.02

6.56

6.35

4.28

3.78

4.22

6.73

 Distal mid lobe

2.99

4.52

2.86

3.12

3.71

3.72

4.43

6.42

2.74

4.79

7.01

7.99

4.00

3.87

4.21

5.64

 Proximal caudal lobe

-

NA a

NA

3.20

2.52

3.73

4.52

5.67

3.72

4.91

6.29

NA

4.85

5.64

6.19

NA

 Mid caudal lobe

-

NA

NA

4.27

-

4.33

4.79

5.70

3.14

4.16

6.02

NA

2.55

3.62

5.52

NA

 Distal caudal lobe

-

NA

NA

2.71

3.02

-

-

4.90

+

5.47

5.49

NA

-

2.97

5.53

NA

Additional tissues

 Interdigital cleft

-

-

-

-

-

-

-

-

-

NA

2.58

-

6.26

8.97

5.03

9.22

 Medial Retropharyngeal LN

-

-

-

-

-

+

+

2.94

+

NA

2.97

3.87

4.36

+

3.40

+

 Submandibular LN

-

-

-

-

-

-

-

-

-

NA

-

4.09

3.24

3.79

4.17

4.01

 Hilar LN

-

-

-

-

-

+

+

2.92

-

NA

4.80

5.17

2.81

3.23

3.77

3.22

  1. Tabulated Numbers indicate FMDV RNA genome copy numbers (GCN) per mg of tissue
  2. Bold and underlined text indicates infectious virus isolated
  3. ‘+’ indicates infectious virus isolated without concurrent detection of FMDV genome
  4. ‘-’ indicates negative for detection of FMDV RNA and infectious virus
  5. Additional organs collected were liver, spleen, thymus, thyroid, kidneys and heart; there was no detection of FMDV prior to onset of viremia at any of these sites
  6. aNA = not assayed