Issue 21 and Volume 22.

TYPHOID FEVER AND WATER SUPPLY. SOME interesting facts were brought to light by Professor W. P. Mason, in a paper recently read by him,entitled “ Sanitary problems connected with municipal water supply.” In it he refers to the betterment in the health of many American cities—especially in the matter of the decrease of typhoid fever since the water supply has been improved. According to Prof. Mason, the yearly rate of death from typhoid in thirteen cities of Massachusetts before a public water supply was introduced was 7.94 per thousand. After the introduction of the public water supply,it fell to 3.83 per 10,000. In the same way and owing to the same cause, the percentage of deaths from typhoid in the whole of the State of Connecticut had fallen from about 5.8 in 1870 to 1.84 in 1893. All this is, of course, very encouraging; but the end of the typhoid…

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