Influenza (H5N1) Viruses in Poultry, Russian Federation, 2005–2006
Aleksandr S. Lipatov*12, Vasily A. Evseenko†1, Hui-Ling Yen*, Anna V. Zaykovskaya†, Alexander G. Durimanov†, Sergey I. Zolotykh†, Sergey V. Netesov†, Ilya G. Drozdov†, Gennadiy G. Onishchenko‡, Robert G. Webster* , and Alexander M. Shestopalov†
Author affiliations: *St Jude Children’s Research Hospital, Memphis, Tennessee, USA; †Federal State Research Institute Research Center for Virology and Biotechnology “Vector,” Koltsovo, Novosibirsk Region, Russian Federation; ‡Federal Service for Surveillance in Consumer Rights Protection and Human Well-being, Moscow, Russian Federation;
Figure 3. Replication of influenza (H5N1) viruses in ferret upper respiratory tract. Male 8-month-old outbred ferrets were inoculated intranasally with 106 50% egg infectious dose (EID50) of virus in 0.5 mL phosphate-buffered saline. Virus titers are the mean ± SD from 3 ferrets, expressed as log10 EID50/mL of nasal wash fluid. *Virus was detected in 2 ferrets. †Virus was detected in 1 ferret.
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