Volume 11, Number 7—July 2005
Research
Survey of Tickborne Infections in Denmark
Sigurdur Skarphédinsson*
, Per M. Jensen†, and Kåre Kristiansen‡
, Per M. Jensen†, and Kåre Kristiansen‡
Table 1
Prevalence of Borrelia, Anaplasma phagocytophilum, and tickborne encephalitis (TBE)-complex virus by age group*
| Age group | n | Borrelia positive (n = 227) (%) | Anaplasma positive (n = 227) (%) | A. phagocytophilum PCR positive (n = 237) (%) | TBE-complex virus positive (n = 229) (%) |
|---|---|---|---|---|---|
| Fawns (≤11 mo) | 19 | 4/17 (23.5) | 17/17 (100) | 8 (42.1) | 0 |
| Yearlings (12–23 mo) | 37 | 13/33 (39.4) | 32/35 (91.4) | 14 (37.8) | 0 |
| Young adults (24–35 mo) | 56 | 13/52 (25.0) | 49/51 (96.1) | 26 (46.4) | 7 (12.5) |
| Adults (≥36 mo) | 100 | 42 (42.0) | 94/99 (94.9) | 47 (47.0) | 9 (9.0) |
| Age unknown | 25 | 11 (44.0) | 25 (100) | 6 (24.0) | 4 (16.0) |
*Because material received from some state forest districts was limited, not all samples were available for all serologic tests. Where not equal to n, denominator gives actual number of samples tested. PCR, polymerase chain reaction.
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