Hi all: Can anyone recommend a good technique for demonstration of rickettsiae in FFPE tissue ? Thanks, Jeanine Bartlett, HT(ASCP) Centers for Disease Control and Prevention 1600 Clifton Road, MS/G-32 18/SB-114 Atlanta, GA 30333 (404) 639-3590 jeanine.bartlett <@t> cdc.hhs.gov