Volume 26, Number 7—July 2020
Heartland Virus in Humans and Ticks, Illinois, USA, 2018–2019
|Species||Stage||Sex||County||No. ticks collected||No. pools||No. positive pools||Infection rate/1,00 ticks, MLE (95% CI)|
|Amblyomma americanum||Adult||M||Kankakee||107||16||1||9.46 (0.55–46.1)|
|A. americanum||Adult||F||Kankakee||111||12||0||0 (0–29.5)|
|A. americanum||Nymph||NA||Kankakee||413||15||0||0 (0–8.2)|
|A. americanum||Adult||M||Williamson||132||15||1||7.6 (0.44–36.9)|
|A. americanum||Adult||F||Williamson||154||17||0||0 (0–22.16)|
|A. americanum||Nymph||NA||Williamson||211||8||0||0 (0–14.5)|
|Dermacentor variabilis||Adult||Both||Kankakee||27 (16 F, 11 M)||4||0||0 (0–92.8)|
|D. variabilis||Adult||Both||Williamson||10 (5 F, 5 M)||6||0||0 (0–248.8)|
*MLE, maximum-likelihood estimation; NA, not applicable.
1These authors contributed equally to this article.
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