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Table 1 Virus isolation and titration data from Culicoides sonorensis infected with EHDV-7 after feeding on white-tailed deer with either a low-titer or high-titer viremia

From: Vector competence of Culicoides sonorensis (Diptera: Ceratopogonidae) to epizootic hemorrhagic disease virus serotype 7

 

Low-titer viremiaa

High-titer viremiab

dpfc

% VI positive (no. positive/n)

Virus titer per midged (n)

% VI positive (no. positive/n)

Virus titer per midged (n)

0

33 (5/15)

<2.3(5)

100 (25/25)

<2.3(18), 2.3(4), 2.5 (3)

4

0 (0/8)

 

29 (7/24)

<2.3(7)

5

0 (0/3)

 

39 (10/26)

<2.3(10)

6

0 (0/2)

 

47 (9/19)

<2.3(7), 2.3(2)

7

5 (1/21)

<2.3(1)

28 (9/32)

<2.3(9)

8

  

39 (7/18)

<2.3(7)

9

33 (1/3)

<2.3(1)

45 (5/11)

<2.3(5)

10

0 (0/1)

 

45 (15/33)

<2.3(11), 2.3, 2.63, 2.97, 3.3

11

0 (0/1)

 

40 (8/20)

<2.3(7), 3.1

12

10 (2/21)

<2.3(2)

52 (23/44)

<2.3(14), 2.3 (3), 2.5 (2), 2.73 (3), 3.8

13

3 (1/35)

<2.3 (1)

39 (9/23)

<2.3 (3), 2.63 (4), 2.97, 3.63

14

0 (0/14)

 

61 (19/31)

<2.3(13), 2.63, 2.73, 2.8, 2.97, 3.1, 3.8

15

  

44 (18/41)

<2.3(6), 2.8 (2), 2.87 (2), 2.97 (2), 3.1 (2), 3.63, 3.73, 3.8, 3.87

16

5 (1/21)

<2.3(1)

61 (17/28)

<2.3(5), 2.5 (2), 2.63, 2.73, 3.1 (2), 3.3 (2), 3.63, 3.8, 4.1, 4.63

Totale

5 (6/130)

 

45 (156/350)

 
  1. a viremic WTD had a mean virus titer of 103.59 TCID50/ml (range, 103.1- 103.9 TCID50/ml).
  2. b viremic WTD had a mean virus titer of 107.24 TCID50/ml (range from 107.03- 107.6 TCID50/ml).
  3. c days post-feeding.
  4. d log10 TCID50/midge.
  5. e includes data from day 4 – 16 dpf.