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Page 221 - ... was 77 per cent, of the total strength ; according to Blair's account, quinine is used there to the amount of 20 grains annually per head of the population. A region of less intense, but very widely spread malaria, covers almost the whole of the north of Brazil? as far down as Rio de Janeiro ; and here also the disease is equally prevalent in coast localities and elsewhere — on the flat and often inundated banks of the Amazon, Rio Madeira, Maranhao, Paranahyba, San Francisco, Parana, Rio Doce...
Page 496 - ... depopulated towns, turned the country into a desert, and made the habitations of men to become the haunts of wild beasts.
Page 1 - Hirsch's 102 definition of epidemiology as : "a science which will give, firstly, a picture of the occurrence, the distribution, and the types of the diseases of mankind in distinct epochs of time and at various points of the earth's surface ; and, secondly, will render an account of the relations of these diseases to the external conditions surrounding the individual and determining his manner of life
Page 610 - In no single instance which came under my observation could starvation be said to be the immediate cause of the disease. Not one of those individuals could be said to be emaciated. ...On strict and repeated inquiry, not one of them would confess to having been in destitute circumstances.
Page 578 - For a considerable period there was a great tendency among physicians to refer the origin of typhus, and almost every variety of fever, to malaria, or unwholesome emanations from the soil, produced by the decomposition of vegetable matter. In Ireland facts do not bear out this hypothesis ; for, as already stated, when an epidemic of...
Page 341 - may be said to be in an exact ratio to the distance from the equator of his place of nativity and residence.
Page 272 - Dr. Drake, that it is a safe generalization to conclude that, all other circumstances being equal, fever prevails most where the amount of organic matter is greatest, and least where it is least.
Page 578 - ... the origin of typhus, and almost every variety of fever, to malaria, or unwholesome emanations from the soil, produced by the decomposition of vegetable matter. In Ireland facts do not bear out this hypothesis ; for, as already stated, when an epidemic of fever has become established, it breaks out simultaneously in situations- the most different, and in some where no such emanations can be supposed to exist. Thus, I have seen a whole family affected in the telegraph, situated at the summit of...