Epizootic Spread of Schmallenberg Virus among Wild Cervids, Belgium, Fall 2011
Figure 2. . Frequency distribution of the results yielded by indirect ELISA for detecting IgG targeting recombinant nucleoprotein of emerging Schmallenberg virus in serum samples collected from 116 red deer and 109 roe deer in southeast Belgium during the fall of 2011. Results are expressed as percentages of the reference signal yielded by the positive control serum. Serologic status is defined as negative (<60%), doubtful (60%–70%), or positive (>70%).