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
- Vector
- Transmission
- Aphids
- Whiteflies
- Thrips
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.