Microbiological and genetic analysis of probiotic products licensed for medicinal purposes.

Background: The purpose of our study was to investigate both qualitatively and quantitatively the microbial content of probiotic products licensed for medicinal purposes.

Material/methods: Microbiological analysis was performed on five different brands of probiotic products that claimed to contain lactobacilli and/or bifidobacteria. The species were determined based on phenotypic characters, using API 50CH, API 20A, and API rapid ID 32A kits.

[Immunity of children aged 6-8 against pertussis, tetanus and diphtheria].

Vaccination against pertussis has been performed since 1960. Whole cell pertussis vaccine produced by Plant of Sera and Vaccines Biomed S.A.