In the serosurvey of 25 species of animals, the study found that shrew had the highest seropositivity ratio of 27%, which was presumed to be the natural host of the virus.

在对 25 种动物的血清调查中，研究发现，鼩鼱的血清阳性率最高，为 27%，被推定为病毒的天然宿主。