Volume 11, Number 2—February 2005
Dispatch
In Vitro Host-Cell Susceptibility to Usutu Virus
Tamás Bakonyi*†, Helga Lussy*, Herbert Weissenböck*, Ákos Hornyák†‡, and Norbert Nowotny*§
Table
Semiquantitative evaluation of the number of Usutu virus antigen–positive cells*
| Cell line/culture | IHC result |
|---|---|
| HeLa (human) | ++ |
| Vero (simian) | ++ |
| ED (equine) | ++ |
| MDBK (bovine) | + |
| PK-15 (porcine) | ++ |
| RK-13 (lapin) | ++ |
| MDCK (canine) | ++ |
| DK (canine) | (+) |
| CR (feline) | + |
| BHK-21 (hamster) | + |
| BF (hamster) | + |
| C6 (rat) | + |
| TH1 (turtle) | ++ |
| EqK (equine) | ++ |
| CEF (chicken) | – |
| GEF (goose) | ++ |
*IHC, immunohistochemical; scoring criteria: (+), 1%–5% positive cells; +, 6%–25% positive cells; ++, 26%–50% positive cells. Primary cell cultures are indicated in italics.
1This study will be presented at the International Conference on Emerging Infectious Diseases, February 26–March 3, 2005, Al Ain, United Arab Emirates
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