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Table 2 Period of RNAemia and first day of seroconversion upon SBV inoculation

From: Persistence of the protective immunity and kinetics of the isotype specific antibody response against the viral nucleocapsid protein after experimental Schmallenberg virus infection of sheep

Ewe

RNAemia (first day)

RNAemia (last day)

VNTw/d

VNTd

ELISA IgM

ELISA IgG

1

2

7

8

9

7

14

2

2

7

6

9

7

21

3

2

7

6

6

6

11

4

3

7

6

9

7

21

5

2

6

5*

6

6

10

  1. * 3 low positive results before first inoculation were not taken into account
  2. Five ewes (ewe 1 to 5) were primo inoculated with SBV infectious serum at day 0 of the experiment. The numbers indicate the first and last day of RNAemia and the day of first seropositive result measured with virus neutralisation test without (VNTw/d) and with (VNTd) heat-inactivation of the serum. The first seropositive result measured with ELISA directed against the SBV N-protein for IgM (IgM ELISA, cut-off 17%) and IgG (IgG ELISA, cut-off 27%) are also given.
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Veterinary Research

ISSN: 1297-9716