la poliomyelite en iran nouvelles recherchies de laboratoire

this paper is an account of the preliminary results 01' a study aiming to determine jhe duration and the mode of the change in the conditions of the poliomyelitic infection in a town (tehran) that has just passed from the: worst water supply to the most modem; with the, hope that such a study would permit to define the true share of water as a source of contamination in the natural history of the infection. but the conditions of the supply with chlorinated water to the, population are yet too confused and these preliminary results do not demonstrate a sufficient difference, after three years, to allow more than an indication corresponding to the one given by the clinicians of an increase in the number of the cases of the disease. in fact, these results are published only as a milestone to this research programme, meant to draw the practicioner's attention to the interest of such surveys and to the help he can provide in their execution and also to the recommended pattern for the immunization of the children in the present situation