Deer tick virus
| Deer tick virus | |
|---|---|
 |
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| Black and white microphotograph of Feulgen stained, intact tick salivary glands infected by deer tick virus. Hypotrophied salivary acinus filled with amorphous masses of pinkstaining (=Feulgen positive) material (arrows). Scale bar = 10 µm. | |
| Virus classification | |
| Group: | Group IV ((+)ssRNA) |
| Family: | Flaviviridae |
| Genus: | Flavivirus |
| Species: | Powassan virus |
Deer tick virus is a virus causing tick-borne encephalitis.
Deer tick virus is a flavivirus closely resembling Powassan virus (to which it has 94% amino acid sequence identity). Because they are so related, deer tick virus is thought to be a genotype of Powassan virus, and also called Powassan virus lineage II.
In 1997, it was isolated from Ixodes scapularis (the deer tick, formerly Ixodes dammini) collected in Massachusetts and Connecticut.
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