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Extra info for Advances in Water Pollution Research. Proceedings of the Second International Conference Held in Tokyo, August 1964

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It is allowed to assume, though the parallelism is not constant, that a good number of these have a lowered virulence and that, within the timetable of the experiments, extensive lesions are caused by the presence of a rather large number of germs in the inoculant. (2) Atypical pathogenic Mycobacteria for the guinea-pig. This kind of mycobacteria has been found uniquely in waste water captured from children preventoriums. (aa) M. scotochromogenes {group 11 of the Runyon classification). One sample of badly purified and non-chlorinated water has produced in the guinea-pigs at the point of inoculation an abscess and bilateral inguinal sub-lumbar and tracheo-bronchial adenopathies.

MENETRIER, J. LABONDE and M. C. HANNOUN C. Salmonellae Complete results are given in TABLE 4. The periods most favorable for Salmonellae isolation in the Seine appear to be the beginning of spring and of summer, the month of August and in fall. One single stock has been isolated in winter. CONCLUSION The conclusion of this scientific program is that the results confirm our conceptions on residual water purification and on processing surface water for distribution to the populations, especially of urbanized zones.

Total 1961 19 1 413 12 43 217 89 74 0 28 6 31 9 1962 4 5 0 6 1 7 5 14 10 30 0 18 3 31 8 13 85 106 1960 1961 1962 Total Total 8 19 24 6 1 6 15 3 4 0 123 2 17 39 Adenovirus \ ! 35 30 i ; ! | i ! ; 1 74 125* 224 1 8 12 6 Total 7 37 9 24 17 19 222 3 49 48 80 42 /o 2 1 Unidentified 1307 46 130 553 332 246 This total is higher than that of the positive samplings on account of double isolations operated on the same material. 1 0 0 0 1 0 0 1959 Echo Coxsackie Polio III Polio II 455 12 41 210 80 112 Untyped Enterovirus TABLE 2.

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