. Annali di igiene. Significativi, dal 28 per cento, di coloro che potrebbero essere morti durante quel periodo di età, che è onemamente non-produttivo, sono stati deceduti sopra. Se questi fossero così risparmiati all'età di 20 o loro abouts la comunità non avrebbe aveguadagnato alcun ricompense per l'incidente di spesa per manutenirli durante questi anni non-produttivi. In Francia si stima che se la vaccinazione e la rivaccinazione fossero rese obbligatorie e se le città fossero obbligate a approvvigionare acqua pura ai loro abitanti, il risparmio di vita sarebbe amountto tra 25,000 e 30,000 persone all'anno. Mentre in Germania onlj no c

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. Annals of hygiene. significant, since the 28 per cent, ofthose who might have died during that age period, which is onemostly non-productive, were tided over. Had these thus saveddied at the age of 20 or thereabouts the community would havegained no recompense for the expense incident to maintainingthem during these non-productive years. In France it is estimated that if vaccination and revaccina-tion were made compulsory and if towns were obliged to supplypure water to their inhabitants, the saving of life would amountto between 25, 000 and 30, 000 persons annually. While in Germany onlj no cases of small-pox are reportedannually as fatal, in France the number is put at 14, 000. Idealsocial conditions are reached slowly or by patient efforts, but weare steadilj^ nearing a higher morale, and the city of the futurein its improved condition, its wholesome life, its ampler oppor-tunities for enjoj^ment and culture, will be the certain evolutionof economic and regenerating forces now at work.—New YorkHerald.. COMMUNICATIONS. Hygiene to Observe During: Cholera Hpidemics or-wlien in Cliolera Countries. BY THOMAS C. CRAIG, Passed Assistant Surgeon, United States Navy, Navy-Yard, New York. [HIS becomes quite an important subject when we reflectthat the dread disease cholera may at any time make, its appearance in our country. It is to the rigid car- rying out of certain definite and fixed rules that thespread of cholera can be limited and the diseasestamped out. (i) There are certain natural agents which are deadly to thegrowth of the cholera spirillum ; and supplemental to theseare the empirical means, which man employs, to destroy thisspirillum. These two means combined are the most potent agencieswith which to combat the cause of cholera. The natural agentsare sunlight and desiccation ; the empirical agents are heat, chemicals, and cleanliness. The action of sunlight is in itselfquite potent in destroying the cholera germ. It is not the directheat contained in the rays of

Parole chiave associate all'immagine

• bookcentury1800
• bookdecade1890
• booksubjecthygiene
• bookyear1896