[1] Tulane Natl Primate Res Ctr, Div Microbiol, Covington, LA 70433 USA
[2] Tulane Univ, Sch Publ Hlth & Trop Med, Dept Trop Med, New Orleans, LA 70118 USA
[3] Tulane Univ, Sch Med, Dept Pathol, New Orleans, LA 70118 USA
[4] Tulane Univ, Sch Med, New Orleans, LA USA
[5] Calif Natl Primate Res Ctr, Davis, CA USA
[6] Emory Univ, Yerkes Natl Primate Res Ctr, Atlanta, GA 30322 USA
[7] Harvard Univ, Sch Med, New England Primate Res Ctr, Southborough, MA 01772 USA
[8] Univ Manchester, Fac Life Sci, Manchester, Lancs, England
[9] New Iberia Res Ctr, New Iberia, LA USA
[10] Tulane Univ, Sch Med, Dept Microbiol & Immunol, New Orleans, LA 70118 USA