Nosocomial Mycobacterium bovis-bacille Calmette-Guérin infections due to contamination of chemotherapeutics: case finding and route of transmission.

Vos, Margreet C; de Haas, Petra E W; Verbrugh, Henri A; Renders, Nicole H M; Hartwig, Nico G; de Man, Peter; Kolk, Arend H J; van Deutekom, Henk et al. · J Infect Dis · 2003

case_report · Level V

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Abstract

We studied nosocomial infections due to Mycobacterium bovis bacille Calmette-Guérin (BCG) Onco-TICE bacteria, transmitted by contamination of medication prepared in BCG Onco-TICE-contaminated hoods in the pharmacy, in 5 immunocompromised patients at 3 hospitals. The BCG strains cultured from the patients had the same DNA profile as the BCG Onco-TICE strain used for bladder instillation. To prevent these infections, a change from open to closed preparation was made; strictly separated preparation in time of BCG Onco-TICE instillation and chemotherapy was enforced, the biological safety cabinet was disinfected between preparations, and gloves were changed between preparations.

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