Thanks to everyone who has answered my Von Kossa question. Again, the Histonet has proven what a great resource it is. Jeanine Bartlett, BS, HT(ASCP)QIHC Centers for Disease Control and Prevention Infectious Diseases Pathology Branch 1600 Clifton Road, MS/G-32 18/SB-114 Atlanta, GA 30333 (404) 639-3590 jeanine.bartlett <@t> cdc.hhs.gov