Emerg Infect Dis. 2020 Jul;26(7):1548-1552. doi: 10.3201/eid2607.200110.
In 2018, Heartland disease virus infected 2 persons in Illinois, USA. In 2019, ticks were collected at potential tick bite exposure locations and tested for Heartland and Bourbon viruses. A Heartland virus-positive pool of adult male Amblyomma americanum ticks was found at 2 locations, 439 km apart, suggesting widespread distribution in Illinois.
2018 年,美国伊利诺伊州有 2 人感染 Heartland 病毒。2019 年,在潜在蜱虫叮咬暴露地点采集蜱虫并检测 Heartland 和 Bourbon 病毒。在相距 439 公里的 2 个地点发现了阳性的美洲钝眼蜱成体雄蜱虫池,表明 Heartland 病毒在伊利诺伊州广泛分布。