Table 1.
Prevalence of serological and molecular markers of hepadnavirus in domestic and wild animals from different sites in Brazil and Uruguay. HBc: HBV core antigen.
| Groups | Common Name | Species | Country | Municipality | Total Specimens n (%) |
Reactive Total Anti-HBc n (%) |
Reactive HBsAg n (%) |
Detected Hepadnavirus-DNA n (%) |
|---|---|---|---|---|---|---|---|---|
| A—Domestic raised in semi-extensive farms or confined | Domestic pig | Sus scrofa | Uruguay | Canelones/Lavalleja/Colonia | 75 (37.50) | 15 (20.00) | 2 (2.67) | 1 (1.34) |
| Horse | Equus ferus caballus | Brazil | Seropédica | 125 (62.50) | 4 (3.20) | 4 (3.20) | 3 (2.40) | |
| Total | 200 (100) | 19 (9.50) | 6 (3.00) | 4 (2.00) | ||||
| B—Domestic raised wildly or free | Domestic dog | Canis lupus familiaris | Brazil | Corumbá/Cumari | 189 (100) | 19 (10.05) | 11 (5.82) | 19 (10.05) |
| Total | ||||||||
| C—Free-roaming exotic and wild mammals | Wild boar | Sus scrofa | Uruguay | Maldonado | 11 (11.22) | 0 | 0 | 0 |
| Wild pig | Sus scrofa | Brazil | Barão de Melgaço/Corumbá | 61 (62.24) | 6 (9.84) | 15 (24.59) | 7 (11.48) | |
| Jaguar | Panthera onca | Brazil | Barão de Melgaço | 1 (1.02) | 0 | 1 (100) | 0 | |
| Crab-eating fox | Cerdocyon thous | Brazil | Cumari | 19 (19.39) | 0 | 0 | 2 (10.53) | |
| Maned wolf | Chrysocyon brachyurus | Brazil | Cumari | 4 (4.08) | 1 (25.00) | 0 | 0 | |
| Crab-eating raccoon | Procyon cancrivorus | Brazil | Cumari | 1 (1.02) | 1 (100) | 0 | 0 | |
| Hoary fox | Lycalopex vetulus | Brazil | Cumari | 1 (1.02) | 0 | 0 | 0 | |
| Total | 98 (100) | 8 (8.16) | 16 (16.33) | 9 (9.18) | ||||
| Total | 487 (100) | 46 (9.45) | 33 (6.78) | 32 (6.57) |