Volume 8, Number 9—September 2002
Research
Behavioral, Physiologic, and Habitat Influences on the Dynamics of Puumala virus Infection in Bank Voles (Clethrionomys glareolus)
Sophie Escutenaire*
, Patrice Chalon†, Florence de Jaegere, Lucie Karelle-Bui†, Georges Mees†, Bernard Brochier*, Francine Rozenfeld, and Paul-Pierre Pastoret†
, Patrice Chalon†, Florence de Jaegere, Lucie Karelle-Bui†, Georges Mees†, Bernard Brochier*, Francine Rozenfeld, and Paul-Pierre Pastoret†Table 3
Prevalence of Puumala virus infection by location and type of ground vegetation
| Trapping site | 1996 |
1997 |
1998 |
1999 |
|||
|---|---|---|---|---|---|---|---|
| F a % positive (no. tested) | S % positive (no. tested) | F % positive (no. tested) | S % positive (no. tested) | F % positive (no. tested) | S % positive (no. tested) | F % positive (no. tested) | |
| Dense cover | |||||||
| Thuin | 21.2 (66) | 20.0 (10) | 4.3 (23) | 10.0 (10) | 0.0 (29) | 12.8 (47) | 21.5 (65) |
| Montbliart | 7.7 (26) | 40.0 (5) | 16.7 (30) | 50.0 (4) | 0.0 (48) | 44.9 (49) | 27.2 (81) |
| Momignies | 17.9 (28) | 0.0 (0) | 0.0 (31) | 0.0 (14) | 15.7 (51) | 64.8 (54) | 28.3 (60) |
| Couvin | —b | 0.0 (1) | 0.0 (19) | 0.0 (9) | 0.0 (17) | 59.3 (27) | 50.0 (18) |
| Low cover | |||||||
| Thuin | 40.0 (5) | 33.3 (3) | 10.0 (10) | 0.0 (0) | 0.0 (6) | 0.0 (13) | 17.6 (17) |
| Montbliart | 42.9 (7) | 0.0 (2) | 0.0 (4) | 0.0 (1) | 0.0 (3) | 50.0 (6) | 0.0 (3) |
| Momignies | 50.0 (6) | 0.0 (0) | 0.0 (1) | 0.0 (0) | 0.0 (0) | 50.0 (4) | 33.3 (3) |
| Couvin | — | 0.0 (0) | 0.0 (7) | 0.0 (0) | 0.0 (1) | 66.7 (3) | 0.0 (0) |
aF, fall; S, spring.
bTrapping in fall 1996 at Couvin was performed on a limited 0.36-ha area, where the vegetation cover was not determined.
