A two-branched upgrade to demonstrate ITV transmission by blood-sucking insects.
2021
The enveloped flavivirus Israel turkey meningoencephalitis virus (ITV) causes a neuroparalytic disease in adult turkeys leading to morbidity and mortality. This study reevaluates the role of blood-sucking insects in the transmission of ITV. We demonstrate the crucial importance of two factors in detecting viruses carried by blood-sucking insects: first, enhanced molecular detection of ITV in insects by nested qRT-PCR and second, collection and maintenance of live insects until their molecular examination. These upgrades allowed overcoming the small virus quantities contained in the insects and detecting ITV for the first time in field-collected Culex pipiens.
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