[1] New Mexico Dept Hlth, Albuquerque, NM 87101 USA
[2] El Paso Cty Hlth Dept, El Paso, TX USA
[3] Colorado Dept Publ Hlth & Environm, Denver, CO USA
[4] Univ New Mexico, Dept Internal Med, Albuquerque, NM USA
[5] Univ New Mexico, Dept Pathol, Albuquerque, NM USA
[6] Univ New Mexico, Dept Biol, Albuquerque, NM USA
[7] Natl Ctr Infect Dis, Div Quarantine, Atlanta, GA 30333 USA
[8] Natl Ctr Infect Dis, Div Viral & Rickettsial Dis, Special Pathogens Br, Atlanta, GA 30333 USA
[9] CDC, Atlanta, GA 30333 USA
[10] Teller Cty Hlth Dept, Woodland Park, CO USA