Table 1 Relationship between major meteorological & reservoir factors and HFRS incidence (Huludao City, China, 1990–2006)
Meteorological & reservoir factors | Pearson correlation coefficients | Lag values(month) |
|---|---|---|
Air pressure | -0.413(**) | 3 |
Temperature | 0.380(**) | 3 |
Precipitation | 0.270(**) | 3 |
Relative humidity | 0.380(**) | 3 |
Virus-carrying index | 0.497(**) | 1 |