Volume 18, Number 8—August 2012
Dispatch
Lack of Evidence for Schmallenberg Virus Infection in Highly Exposed Persons, Germany, 2012
Tanja Ducomble1, Hendrik Wilking1
, Klaus Stark, Anja Takla, Mona Askar, Lars Schaade, Andreas Nitsche, and Andreas Kurth
, Klaus Stark, Anja Takla, Mona Askar, Lars Schaade, Andreas Nitsche, and Andreas KurthTable 2
Results of diagnostic tests for SBV in serum samples from exposed shepherds, Germany, 2012*
| Test system and dilution | Test results, no. (%) |
|
|---|---|---|
| Positive/total | Indeterminate/total | |
| IFAT IgG 80 | 0/60 (0) | 0/60 (0) |
| IFAT IgM 80 | 0/60 (0) | 0/60 (0) |
| IFAT IgG 20 | 0/60 (0) | 1/60 (2) |
| IFAT IgM 20 | 0/60 (0) | 7/60 (11) |
| SNT titer 10† | 0/8 (0) | 0/8 (0) |
| RT-qPCR | 0/60 (0) | 0/60 (0) |
*SBV, Schmallenberg virus; IFAT, indirect fluorescent antibody test; SNT, serum neutralization test; RT-qPCR, quantitative reverse transcription PCR.
†Performed in only 8 serum samples with IFAT indeterminate results; 2/8 (25%) reported symptoms as outlined in Table 1.
1These authors contributed equally to this article.
