LABORATORY TRANSMISSION OF EASTERN EQUINE ENCEPHALOMYELITIS VIRUS TO CHICKENS BY CHICKEN MITES (ACARI, DERMANYSSIDAE)

被引：40

作者：

DURDEN, LA ^{[1
]}

LINTHICUM, KJ ^{[1
]}

MONATH, TP ^{[1
]}

机构：

[1] USA,MED RES INST INFECT DIS,DIV VIROL,FREDERICK,MD 21702

来源：

JOURNAL OF MEDICAL ENTOMOLOGY | 1993年 / 30卷 / 01期

关键词：

DERMANYSSUS-GALLINAE; VECTOR COMPETENCE; EASTERN EQUINE ENCEPHALOMYELITIS VIRUS;

D O I：

10.1093/jmedent/30.1.281

中图分类号：

Q96 [昆虫学];

学科分类号：

摘要：

Pools of adult female chicken mites, Dermanyssus gallinae (De Geer), were allowed to feed on chicks that had been inoculated with eastern equine encephalomyelitis (EEE) virus and that had a viremia level of 10(6.2)-10(6.6) plaque-forming units per milliliter of blood. Virus remained detectable by plaque assay in samples of these mites for 30 d after the infectious blood meal. Virus was not recovered from any of 151 progeny of virus-exposed female mites. Mites that had fed on viremic chicks were allowed to feed on naive chicks 3, 7, 11, 15, or 30 d later. EEE virus was transmitted to chicks by these mites on days 3 (one transmission in four trials) and 7 (one transmission in four trials). Both transmissions were confirmed by the presence of virus in chick blood 24-72 h after mites had fed, and by plaque-reduction neutralization assays of 21-d convalescent chick sera against the original viral strain.

引用

页码：281 / 285

页数：5

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