Nonpersistent virus

Pronunciation
/non-per-SIS-tent VIR-us/
Category
Transmission
Singular
Nonpersistent virus
Plural
Nonpersistent viruses

Definition

A type of virus that is not retained by the vector after feeding. The virus is acquired by the vector through a 'feeding puncture' and then transmitted to a new host immediately.

Etymology

From Latin 'non', meaning 'not', and 'persistere', meaning 'to last'.

Example

Many plant viruses, such as some strains of potyviruses, are nonpersistent viruses.

Related Terms

Usage Notes

Nonpersistent viruses are often transmitted through the feeding punctures of insects like aphids, whiteflies, and thrips. The virus is not retained in the vector's gut or body.