Table 3.
Change in number of cases of canine heartworm ( Dirofilaria immitis ) infections over the last 5 years
| |
Clinics reporting changes in number of cases |
|
|||
|---|---|---|---|---|---|
| Country | Increase in cases (%) | Decrease in cases (%) | No change in cases (%) | No cases (%) | Total responders (%) |
| UK (non-endemic) |
2 (5) |
0 (0) |
1 (1) |
30 (11) |
33 (9) |
| Germany (non-endemic) |
20 (51) |
3 (50) |
38 (48) |
40 (15) |
101 (26) |
| Netherlands (non-endemic) |
1 (3) |
0 (0) |
1 (1) |
32 (12) |
34 (9) |
| France (non-endemic) |
1 (3) |
2 (33) |
7 (9) |
76 (29) |
86 (22) |
| France (endemic) |
5 (22) |
4 (7) |
9 (18) |
29 (43) |
47 (24) |
| Spain (non-endemic) |
2 (5) |
1 (17) |
18 (23) |
47 (18) |
68 (17) |
| Spain (endemic) |
11 (48) |
11 (20) |
14 (29) |
5 (8) |
41 (21) |
| Italy (non-endemic) |
13 (33) |
0 (0) |
14 (18) |
40 (15) |
67 (17) |
| Italy (endemic) |
7 (30) |
41 (73) |
26 (53) |
33 (49) |
107 (55) |
| Total non-endemic |
39 |
6 |
79 |
265 |
389 |
| Total endemic | 23 | 56 | 49 | 67 | 195 |