Table 1. Comparison of annual human HFRS incidence and rodent capture rate in Huangdao District, 2010–2014.
| Year | HFRS incidence | Capture rate of field rodents (%) |
Capture rate of residential rodents (%) |
||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apodemus agrarius | Rattus norvegicus | Rattus rattus | Mus musculus* | Total* | Apodemus agrarius | Rattus norvegicus | Rattus rattus | Mus musculus | Total | ||
| 2010 | 11.4 | 0 | 0.9 | 0.5 | 0.2 | 1.6 | 0 | 0.7 | 0.2 | 0.5 | 1.4 |
| 2011 | 20.5 | 0 | 2.1 | 1.2 | 0.9 | 4.2 | 0 | 0.9 | 0.65 | 0.4 | 2 |
| 2012 | 28.8 | 3.7 | 1.5 | 0 | 1.9 | 7.1 | 0.04 | 2.3 | 0 | 2.1 | 5.1 |
| 2013 | 19 | 2.5 | 0.2 | 0 | 0.5 | 3.2 | 0.04 | 1.7 | 0 | 2.1 | 4.8 |
| 2014 | 16.7 | 1.7 | 0.3 | 0 | 0.7 | 2.7 | 0.02 | 1.5 | 0 | 2.1 | 4.1 |
| Average | 19.3 | 1.6 | 1 | 0.3 | 0.8 | 3.8 | 0.02 | 1.4 | 0.2 | 1.4 | 3.5 |
Rodent snaps in each year were 5427, 2758, 5228, 11383, 4191 for 2010, 2011, 2012, 2013 and 2014, respectively. The capture rate each year was calculated by the number of rodents captured/snap number × 100.
*Indicated that a significant correlation between HFRS incidence rate and the total capture rate of field rodents (r = 0.938, P = 0.018) and the capture rate of Mus musculus (r = 0.037, p = 0.011).