...comparative effect of water purification upon typhoid fever mortality and total mortality. He said that where one death from typhoid fever has been avoided...of deaths, probably two or three, from other causes has been avoided. This feature of the relation of quality of water to mortality recorded is generally...

...to consider the decreases minus those at Manchester as normal. We compute, therefore, from Table 16, that — Where one death from typhoid fever has been...the use of better water, a certain number of deaths [4.4 at Lawrence and 6.O at Lowell] from other causes have been avoided. Thus Mr. Hazen's estimate...

...to consider the decreases minus those at Manchester as normal. We compute, therefore, from Table 16, that — Where one death from typhoid fever has been...the use of better water, a certain number of deaths [4.4 at Lawrence and 6.0 at Lowell] from other causes have been avoided. Thus Mr. Hazen's estimate...

...the death rates of certain cities which had improved their polluted water supplies, he concluded " that where one death from typhoid fever has been avoided...two or three, from other causes have been avoided." In order to test the truth of this statement concerning what is generally known as the Mills and Reinoke...

...purification of public water supplies in the case of typhoid fever, but it has been shown by statistics that "where one death from typhoid fever has been...two or three, from other causes have been avoided." In the routine examination of water, no particular effort is made to isolate this organism, owing to...

...enormous problem let us not forget the now famous Mills-Reincke phenomenon and Hazen's Theorem,- — "Where one death from typhoid fever has been avoided...two or three, from other causes have been avoided." SUMMARY OF WATER EXAMINATIONS FOR THE YEAR ENDING JUNE 30. 1910. Location. Total examined. Safe. Unsafe....

...when considered in connection with the Mills-Reinicke phenomenon ' and with Hazen's conclusion : When one death from typhoid fever has been avoided by the...two or three, from other causes have been avoided. CHARACTER OF RESIDENCE. The following table gives the character of residences at which the persons...

...phenomena. Mr. Hazen's conclusions are referred to as "Hazen's theorem," briefly stated as follows: Where one death from typhoid fever has been avoided...two or three, from other causes, have been avoided. Messrs. Sedgwick and MacNutt made a detailed study of the mortality statistics, not only of Lawrence...

...regarded in America, as having a direct causative significance.1 The "Hazen theorem'' is that "when one death from typhoid fever has been avoided by the...two or three, from other causes have been avoided." There can be no question that in a number of American cities improvement of water supplies has coincided...

...Engineering Congress, held at St. Louis in 1904, Allen Hazen made the following statement: l * * * Where one death from typhoid fever has been avoided...clear and logical conclusion from the statistics. It is not easy to explain how the water ia connected with the deaths other than those from typhoid...