[Isolation of a strain of Streptococcus pneumoniae multiresistant to antibiotics].
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Biomedical subjects
Publications and source records attributed to R Durieux.
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The authors have carried during one year, in the hospital of Villeneuve-Saint-Georges, a prospective study on 229 cases of pneumococcal infections with bacteriological findings. They emphazise the frequency, the high-exposed groups and the gravity of these infections despite of the antibiotherapy. The emergence of multiply resistant pneumococcus makes out another argument for proposing a preventive vaccination taking notice of the most frequent serotypes found in France.
For a period of 17 months, 670 pneumococci, mostly isolated in the Paris area, have been typed with contercurrent-immunoelectrophoresis ; 338 of them come from cases of pneumonia, bacteremia, meningitis and acute otitis media. An important regrouping of the most frequent serotypes among the 83 known serotypes makes possible a vaccinal prophylaxis. The tetradecavalent vaccine which is now for sale in USA gives, in the four main pathologies of this enquiry, a coverage superior to 80 percent. Choosing the 14 most frequent serotypes of the four main pathologies of their data the authors propose the following vaccinal formula : 1, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 18, 19, 23.
The authors report the detailed study of a strain of Actinomyces odontolyticus isolated from a pleural liquid. Gas-liquid chromatography can specify the biochemistral metabolism of the germ and set off an endocellular lipidolytic activity.
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