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Table 3 RT-PCR results and virus titers in swabs and organs of selected H5N1-infected wild raptors

From: Host-specific exposure and fatal neurologic disease in wild raptors from highly pathogenic avian influenza virus H5N1 during the 2006 outbreak in Germany

RT-PCR values* (virus titers)**

Samples

Common buzzards

Peregrine falcons

B1

B2

B3

B4

B5

B6

F1

F2

Pharyngeal swab

24.2 (2.2)

26.7 (0.8)

23.9 (0.8)

26.9 (n)

29.0 (1.2)

28.9 (n)

26.8 (2.2)

28.8 (n)

Cloacal swab

25.9 (n***)

np****

n (n)

24.6 (n)

28.2 (n)

31.0 (n)

16.5 (2.5)

28.2 (1.5)

Lung

18.1 (5.1)

19.6 (5.0)

17.6 (2.8)

14.4 (2.0)

22.0 (4.2)

24.5 (3.4)

22.1 (2.8)

34.6 (4.0)

Air sac

17.3 (n)

19.2 (2.6)

21.2 (n)

21.0 (n)

17.5 (2.5)

22.2 (n)

13.2 (n)

25.9 (n)

Liver

n (n)

28.3 (n)

26.1 (n)

21.9 (n)

24.5 (n)

20.7 (n)

20.3 (n)

21.6 (n)

Spleen

21.5 (n)

21.6 (n)

25.5 (n)

27.5 (n)

28.4 (n)

22.1 (n)

26.7 (n)

21.2 (n)

Heart

24.0 (n)

21.9 (2.3)

17.4 (n)

19.6 (n)

15.3 (n)

17.2 (n)

20.1 (n)

19.5 (n)

Kidney

24.5 (1.6)

23.2 (n)

19.7 (n)

15.0 (n)

19.5 (n)

19.9 (n)

18.4 (n)

26.4 (n)

Jejunum

18.9 (1.9)

17.7 (n)

29.7 (n)

29.3 (n)

22.6 (n)

20.7 (n)

21.8 (n)

22.7 (n)

Colon

20.4 (n)

21.4 (n)

29.6 (n)

27.1 (n)

21.4 (n)

19.7 (n)

24.4 (n)

22.4 (n)

Pancreas

26.7 (n)

25.0 (n)

38.0 (n)

34.7 (n)

29.8 (n)

34.3 (n)

9.6 (n)

13.7 (2.5)

Cloaca/Bursa

np

21.4 (n)

29.1 (2.1)

20.8 (n)

np

np

np

20.9 (n)

Brain

15.5 (6.2)

9.5 (6.3)

13.4 (5.5)

11.3 (6.7)

9.1 (6.2)

18.5 (5.2)

8.8 (4.6)

14.1 (6.3)

  1. *Cycle threshold (Ct) value: The cut-off value is 40.
  2. **All titers are given in TCID50 log 10.
  3. ***n = negative (<0.5 for virus titers).
  4. ****np = not present.