[Future of premature infants of less than 33 weeks gestational age: results of an inquiry undertaken in 1985 in the Paris region].

Improvements in combining obstetrics and neonatology led to a trend to intervene earlier in premature babies born before the 33rd week of gestational age. The enquiry that was carried out in 1985 in the Paris geographical region had as its objective to assess on the one part how many premature deliveries occurred between the 25th and 33rd week of amenorrhea and on the other hand what happened in the short term to the infants born from these pregnancies, i.e.

[Influence of different sampling systems on evaluation of bacteriological and virological performance for an activated-sludge treatment plant (author's transl)].

Various quantitative evaluations of the performance of an activated-sludge treatment plant for viruses and bacteria removal and ameliorating physicochemical characteristics have been performed over a period of 24 hours, using successive and continuous samplings. The performance of the treatment plant evaluated using these two sampling systems shows no difference with the one obtained from punctual sampling. In every case, one can observe at the discharge a reduction amounting to 1 or 2 log.