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Volume 11, Number 2—February 2005

In Vitro Host-Cell Susceptibility to Usutu Virus

Tamás Bakonyi*†, Helga Lussy*, Herbert Weissenböck*, Ákos Hornyák†‡, and Norbert Nowotny*§Comments to Author 
Author affiliations: *University of Veterinary Medicine, Vienna, Austria; †Faculty of Veterinary Science, Budapest, Hungary; ‡Central Veterinary Institute, Budapest, Hungary; §United Arab Emirates University, Al Ain, United Arab Emirates

Main Article


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.

Main Article

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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