[1] Emerging Infect Program, San Francisco, CA USA
[2] Calif Dept Hlth Serv, Sacramento, CA 95814 USA
[3] Connecticut Dept Publ Hlth, Hartford, CT USA
[4] Vet Adm Med Serv, Atlanta, GA USA
[5] Emory Univ, Sch Med, Atlanta, GA USA
[6] Georgia Dept Human Resources, Div Publ Hlth, Atlanta, GA USA
[7] Johns Hopkins Univ, Baltimore, MD USA
[8] Maryland Dept Hlth & Mental Hyg, Baltimore, MD 21201 USA
[9] Minnesota Dept Hlth, Minneapolis, MN 55414 USA
[10] New York State Dept Hlth, Albany, NY 12237 USA
[11] Oregon Dept Human Resources, State Hlth Div, Portland, OR USA
[12] Vanderbilt Univ, Med Ctr, Dept Prevent Med, Nashville, TN USA
[13] CDC, ABCs & Emerging Infect Program Network, Resp Dis Branch, Div Bacterial & Mycot Dis,Natl Ctr Infect Dis, Atlanta, GA 30333 USA