Public health reports (1881). v. 28 pt. 2 no. 27-52, 1913, 28권,파트 2,27-52호Surgeon General, 1914 |
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1403 페이지
... rat in spreading plague will be attempted , except to say that plague is , primarily and essentially , a disease of rodents , chiefly the different species of rat , and that it is conveyed to human beings from plague - infected rats ...
... rat in spreading plague will be attempted , except to say that plague is , primarily and essentially , a disease of rodents , chiefly the different species of rat , and that it is conveyed to human beings from plague - infected rats ...
1404 페이지
... rat and human inhabitants in cities was about equal . In the rural districts of the United States the number of rats on any farm or plantation will easily average three or four times the number of people on the estate , and in the grain ...
... rat and human inhabitants in cities was about equal . In the rural districts of the United States the number of rats on any farm or plantation will easily average three or four times the number of people on the estate , and in the grain ...
1405 페이지
... rats in the country will exceed the estimate made in Great Britain . One half cent per day would be a conservative estimate , however . The same figure can safely be placed on the damage caused by the city rat . The list of articles ...
... rats in the country will exceed the estimate made in Great Britain . One half cent per day would be a conservative estimate , however . The same figure can safely be placed on the damage caused by the city rat . The list of articles ...
1406 페이지
... rat popu- lation in any locality and emphasizes the difficulty of rat destruction . Rats can be destroyed by trapping , by poisoning , and by using natural enemies , as certain breeds of cats and dogs . To insure success to these ...
... rat popu- lation in any locality and emphasizes the difficulty of rat destruction . Rats can be destroyed by trapping , by poisoning , and by using natural enemies , as certain breeds of cats and dogs . To insure success to these ...
1407 페이지
... rat - proofing will suffice in more pretentious dwellings where sufficient care can be exercised to prevent rats from gnawing through the plank floors . Chicken pens can be protected by concrete walls at the periphery , sunk into the ...
... rat - proofing will suffice in more pretentious dwellings where sufficient care can be exercised to prevent rats from gnawing through the plank floors . Chicken pens can be protected by concrete walls at the periphery , sunk into the ...
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amended animal Austria-Hungary birth board of health building cause cent certificate chap CHOLERA Cities for Week clean commissioner containing Contra Costa County corporation County cows Deaths Reported Diphtheria disease drugs Dutch East Indies duty employees eucaine examined feet health officer hereby hospital house hereafter erected inspection inspector June 28 less license Mass Measles milk or cream municipality notified offense offered for sale Ohio ordinance owner patient pellagra penalty permit person physician Places plague infection poison POLIOMYELITIS premises present Public Health Service purpose quarantine rats Received from June registrar regulations removed Reported by Cities reported during month Reports Received rules Saloniki sanatorium sanitary district scarlet fever sell Sept sewer skimmed milk smallpox SMALLPOX-Continued sold street Surabaya tenement thereof thymol tion Total Township tuberculosis typhoid fever unlawful violation water-closet Week Ended week ended July YELLOW FEVER