Conclusion HFRS mixed focus of infection made up of non Apodemus type evolved into but Apodemus type and Rattus type merged each other.

• 结论混合型HFRS疫源地并不是由姬鼠型自然疫源地演变而成的，而是姬鼠型和家鼠型HFRS疫源地的重叠或重合而成。