[1] NIAID, Mol Virol Sect, Mol Microbiol Lab, NIH, Bethesda, MD 20892 USA
[2] Natl Hlth Res Inst, Inst Cellular & Syst Med, Zhunan 35053, Taiwan
[3] NIAID, Infect Dis Pathogenesis Sect, Comparat Med Branch, Div Intramural Res,NIH, Bethesda, MD 20892 USA
[4] NIH, Microarray Res Facil, Genom Technol Sect, Inst Allergy & Infect Dis, Bethesda, MD 20892 USA