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Clin Infect Dis. 2003 Mar 15;36(6):775-80. Epub 2003 Mar 5.

Safety of probiotics that contain lactobacilli or bifidobacteria.

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Central Public Health Laboratory, London, United Kingdom.


Lactobacilli and bifidobacteria are extremely rare causes of infection in humans, as are probiotics based on these organisms. This lack of pathogenicity extends across all age groups and to immunocompromised individuals. Strains used for new probiotics should be chosen from the commensal flora of humans and should not carry intrinsic resistance to antibiotics that would prevent treatment of a rare probiotic infection. Vigilance regarding the detection of possible rare cases of infection due to probiotics should be maintained, and isolates should be sent to reference centers for molecular characterization and confirmation.

[Indexed for MEDLINE]

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