[1] George Mason Univ, Sch Computat Sci, Manassas, VA USA
[2] Armed Forces Inst Pathol, Dept Infect & Parasit Dis Pathol, Div Microbiol, Washington, DC 20306 USA
[3] ATCC, Dept Virol, Manassas, VA 20108 USA
[4] USAF, HQ, Surg Gen Off, Directorate Modernizat,SGR, Falls Church, VA 22041 USA
[5] Epidem Outbreak Surveillance EOS Consortium, Falls Church, VA 22041 USA