Volume 18, Number 11—November 2012
Research
Lack of Evidence for Zoonotic Transmission of Schmallenberg Virus
Table 3
Exposure group, risk factor | Exposed | Participants, no. (%)/additional information |
---|---|---|
All | ||
Total |
301/age 18–88 y; mean 47 y; 25th–75th percentile 36–58 y; 62% male | |
Exposure to biting insects on SBV-infected farm(s) |
Yes | 150 (50) |
No | 71 (24) | |
|
Unknown
|
80 (26)
|
Farmers, total | 234 | |
Working and living on SBV-infected farm |
191 (82) | |
Working on SBV-infected farm |
26 (11) | |
Living on SBV-infected farm |
15 (6) | |
Unknown |
2 (1) | |
Exposure to animals |
||
Sheep |
||
Regular contact with lambs and/or birth products on SBV-infected farm |
Yes | 110, of whom 88 reported hand (skin) injuries during work |
|
No | 31 |
Total |
141 | |
Goats |
||
Regular contact with kids and/or birth products on SBV-infected farm |
Yes | 3, of whom 3 reported regular hand (skin) injuries during work |
|
No | 10 |
Total |
13 | |
Cattle |
||
Regular contact with calves and/or birth products on SBV-infected farm |
Yes | 90, of whom 72 reported regular (hand) skin injuries during work |
|
No | 38 |
Total |
|
128
|
Veterinarians | ||
Total |
67/1–50 SBV-infected farms visited per veterinarian; median 4 | |
Exposure to animals |
||
Sheep |
||
Contact with malformed lambs and/or birth products |
Yes† | 19, of whom 18 reported regular hand (skin) injuries during work |
|
No | 29 |
Total |
48 | |
Goats |
||
Contact with malformed lambs and/or birth products |
Yes† | 1 who reported regular hand (skin) injuries during work |
|
No | 29 |
Total |
30 | |
Cattle |
||
Contact with malformed calves and/or birth products |
Yes† | 33, of whom 28 reported regular hand (skin) injuries during work |
|
No | 20 |
Total |
53 | |
Contact with malformed lambs/calves during section at Animal Health Service |
Yes | 11, of whom 6 reported regular hand (skin) injuries during work. |
*Overall, 50 (75%) of 67 veterinarians reported contact with malformed lambs/calves and/or birth products of which 40 reported regular hand (skin) injuries during work. Overall, 179 (76%) of 234 farmers, farm residents and farm employees reported regular contact with newborn lambs/calves and/or birth products on SBV-infected farms, of which 140 reported regular hand (skin) injuries during work. SBV, Schmallenburg virus.
†All tested seronegative.
1These authors contributed equally to this article.