Volume 24, Number 12—December 2018
Dispatch
Vaccinia Virus among Domestic Dogs and Wild Coatis, Brazil, 2013–2015
Table 1
Associations between neutralizing antibodies against Orthopoxvirus and demographic characteristics of domestic dogs and wild coatis, Belo Horizonte, Brazil, 2013–2015*
Variable |
No. (%)† |
No. (%) positive‡ |
No. (%) negative‡ |
p value |
Odds ratio (95% CI) |
Domestic dogs | |||||
Year of sampling | |||||
2014 | 123 (66.8) | 24 (19.5) | 99 (80.5) | ||
2015 | 61 (33.2) | 11 (18.0) | 50 (82.0) | 1.00 | |
Sex | |||||
F | 85 (46.4) | 23 (27.1) | 62 (72.9) | Reference | |
M | 96 (52.5) | 12 (12.5) | 84 (87.5) | 0.02 | 2.6 (1.2–5.6) |
Age, y | |||||
<1 | 24 (13.1) | 7 (29.2) | 17 (70.8) | Reference | |
2–5 | 82 (44.8) | 16 (19.5) | 66 (80.5) | 0.4 | |
6–10 | 41 (22.4) | 3 (7.3) | 38 (92.7) | 0.04 | 5.2 (1.2–22.6) |
>10 | 18 (9.8) | 4 (22.2) | 14 (87.8) | 0.9 | |
Size | |||||
Small | 75 (41.0) | 13 (18.8) | 56 (81.2) | Reference | |
Medium | 69 (37.7) | 11 (20.0) | 44 (80.0) | 1.00 | |
Large | 30 (16.4) | 4 (14.3) | 24 (85.7) | 0.8 | |
Confinement status | |||||
Always inside home | 41 (22.4) | 8 (19.5) | 33 (80.5) | Reference | |
Always in backyard | 115 (62.8) | 18 (15.6) | 97 (84.3) | 0.7 | |
Home and backyard | 25 (13.7) | 9 (36.0) | 16 (64.0) | 0.2 | |
Outdoors access† | |||||
Yes | 83 (45.3) | 19 (22.9) | 64 (77.1) | 0.3 | |
No | 98 (53.6) | 16 (16.3) | 82 (83.7) | Reference | |
Access to MMP | |||||
Yes | 18 (9.8) | 6 (33.3) | 12 (66.7) | 0.2 | |
No |
101 (55.2) |
18 (17.8) |
83 (82.2) |
Reference |
|
Wild coatis | |||||
Year of capture | |||||
2013 | 57 (52.8) | 12 (21.0) | 34 (59.6) | 0.002 | 14.8 (1.8–119.8) |
2014 | 51 (47.2) | 1 (1.9) | 42 (82.3) | Reference | |
Sex | |||||
F | 64 (59.3) | 10 (15.6) | 44 (68.7) | Reference | |
M | 44 (40.7) | 3 (6.8) | 32 (72.7) | 0.3 | |
Age group | |||||
Juvenile, <1 y | 44 (40.7) | 1 (2.3) | 35 (79.5) | Reference | |
Subadult, 1–2 y | 18 (16.7) | 5 (27.8) | 10 (55.6) | 0.01 | 0.05 (0.006–0.5) |
Adult, >2 y | 46 (42.6) | 7 (15.2) | 31 (67.4) | 0.04 | 5.1 (1.2–22.6) |
*Totals may not add up to 100% because of missing information. Boldface indicates significance; odds ratios are shown only for significant results. MMP, Mangabeiras Municipal Park.
†Includes access beyond backyard.
‡By plaque reduction neutralization test.