Bacillus species were recovered from the blood cultures of 39 oncology
patients over 14 weeks. A matched case-control study showed a strong
association of Bacillus species bacteremia with use of calcium glucona
te solution (odds ratio=25.0) and of central venous lines (odds ratio=
8.8). Stopping use of the implicated calcium gluconate vials controlle
d the outbreak (Infect Control Hosp Epidemiol 1998;19:856-858).