Table 1. Trends in rabies cross species transmission (CST) by species or species grouping, 1990–2011.
Cross Species Transmission | Rabid Animals 1990–2011 | 1990 CST Rate | 2011 CST Rate | Overall CST Change | Latest Trend Time Period | Model APC* | 95% CI | P-Value | ||
Raccoon | CST by Animal | Skunk | 16,600 | 0.16 | 0.35 | 118.0% | 1999–2011 | −0.9% | −3.2, 1.4 | 0.4 |
Fox | 6,537 | 0.05 | 0.18 | 251.0% | 1996–2011 | 4.0% | 3.0, 5.0 | <0.01 | ||
Domestic | 5,028 | 0.06 | 0.14 | 139.7% | 1990–2011 | 5.2% | 4.5, 5.9 | <0.01 | ||
Cattle | 644 | 0.01 | 0.02 | 77.8% | 1990–2011 | 4.0% | 2.5, 5.7 | <0.01 | ||
Other | 2,067 | 0.03 | 0.04 | 57.1% | 1990–2011 | 2.7% | 1.7, 3.8 | <0.01 | ||
Total | 30,876 | 0.31 | 0.73 | 138.2% | 1998 – 2011 | 1.2% | −0.1, 2.6 | 0.06 | ||
CST by Region | Northeast | 12,542 | 0.13 | 0.62 | 376.2% | 1999–2011 | −3.9% | −7.2, −0.6 | 0.03 | |
Mid-Atlantic | 11,129 | 0.37 | 0.79 | 110.5% | 1990–2011 | 2.7% | 2.0, 3.5 | <0.01 | ||
Southeast | 7,205 | 0.39 | 0.76 | 94.9% | 1994–2011 | 5.8% | 5.0, 6.6 | <0.01 | ||
Skunk | CST by Animal | Raccoon | 148 | 0.01 | 0.02 | 183.3% | 1990–2011 | 6.3% | 2.4, 10.3 | <0.01 |
Fox | 309 | 0.02 | 0.03 | 55.6% | 1998–2011 | 9.5% | 3.5, 15.8 | <0.01 | ||
Domestic | 1,601 | 0.10 | 0.07 | −35.9% | 1990–2011 | −1.0% | −2.5, 0.5 | 0.19 | ||
Cattle | 1,140 | 0.11 | 0.02 | −83.0% | 1990–2011 | −5.7% | −7.8, −3.4 | <0.01 | ||
Other | 580 | 0.05 | 0.04 | −13.3% | 1990–2011 | 0.50% | −2.3, 3.3 | 0.73 | ||
Total | 3,778 | 0.28 | 0.17 | −40.3% | 1990–2011 | −2.0% | −3.6, −0.4 | 0.02 | ||
CST by Region | Midwest | 1,305 | 0.48 | 0.20 | −59.0% | 1990–2011 | −1.5% | −3.6, 0.7 | 0.16 | |
South | 1,212 | 0.16 | 0.17 | 8.8% | 2001–2011 | 7.0% | 3.0, 11.1 | <0.01 | ||
Southeast | 168 | 0.28 | 0.18 | −36.4% | 2001–2011 | 13.6% | 1.9, 26.7 | <0.01 | ||
West | 1,093 | 0.22 | 0.11 | −48.8% | 1990–2011 | 1.1% | −0.8, 3.1 | 0.25 |
*Modeled annual percent change in cross species transmission rates.