Infection and Immunity: With Special Reference to the Prevention of Infectious Diseases |
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Page 11
... containing millions of bacilli may be developed from a single cell in twenty- four to forty - eight hours . A simple calculation will show what an immense number of cells may be pro- duced in this time as a result of binary division oc ...
... containing millions of bacilli may be developed from a single cell in twenty- four to forty - eight hours . A simple calculation will show what an immense number of cells may be pro- duced in this time as a result of binary division oc ...
Page 18
... typhoid fever may be con- tracted by eating oysters which have been grown in sewage - polluted waters . The infectious disease known as trichinosis is contracted by eating pork containing living trichinæ 18 INFECTION AND IMMUNITY.
... typhoid fever may be con- tracted by eating oysters which have been grown in sewage - polluted waters . The infectious disease known as trichinosis is contracted by eating pork containing living trichinæ 18 INFECTION AND IMMUNITY.
Page 19
... containing living trichinæ . As these parasitic worms are promptly killed at a comparatively low temperature , cooked pork is quite harmless , so far as this disease is con- cerned . Infection through wounds is far less common at the ...
... containing living trichinæ . As these parasitic worms are promptly killed at a comparatively low temperature , cooked pork is quite harmless , so far as this disease is con- cerned . Infection through wounds is far less common at the ...
Page 28
... containing disease germs ] ; either its infecting power is destroyed or it is not . In the latter case there is a failure to disinfect . Nor can there be any disinfection in the absence of infectious material . " Popularly , the term ...
... containing disease germs ] ; either its infecting power is destroyed or it is not . In the latter case there is a failure to disinfect . Nor can there be any disinfection in the absence of infectious material . " Popularly , the term ...
Page 29
... containing them . This salt is , nevertheless , a very valuable antiseptic , and its low price makes it one of the most available agents for the arrest of putre- factive decomposition . " Antiseptic agents also exercise a restraining ...
... containing them . This salt is , nevertheless , a very valuable antiseptic , and its low price makes it one of the most available agents for the arrest of putre- factive decomposition . " Antiseptic agents also exercise a restraining ...
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Common terms and phrases
animals anthrax antiseptics antitoxin attack bacillus bacteria bacteriologist bite blood body boiling water bubonic plague carbolic acid cause census century ceptible CHAPTER chemical cholera germ cholera spirillum clothing considerable containing contract the disease countries culture death-rate demonstrated desiccation destroyed diphtheria disease germs disin disinfection drinking dysentery epidemic erysipelas especially Europe evidence excreta experiments exposed exposure extent fact fatal favourable filth diseases germicidal Health individuals infection infectious agent infectious diseases infectious material influenza inoculation insanitary invaded known large number lepers leprosy liable living malarial fevers measles measures method micro-organism micrococcus mortality mosquitoes natural immunity number of deaths obtained occur parasite patient persons physicians pneumonia prevailed prevention propagated protective recognised reference relapsing fever result sanitary scarlet fever sewers sick sick-room smallpox specific spirillum spores sputa sterilised suffered surface susceptible temperature tetanus tion total number tubercle tubercular tuberculosis typhoid fever typhus vaccination virulence virus vitality wound yellow fever
Popular passages
Page 221 - The havoc of the plague had been far more rapid: but the plague had visited our shores only once or twice within living memory; and the small pox was always present, filling the churchyards with corpses, tormenting with constant fears all whom it had not yet stricken...
Page 29 - The injurious consequences which are likely to result from such misapprehension and misuse of the word disinfectant will be appreciated when it is known that recent researches have demonstrated that many of the agents which have been found useful as deodorizers, or as antiseptics, are entirely without value for the destruction of disease germs.
Page 55 - Koch, the tubercle bacillus is killed by the action of direct sunlight in a time varying from a few minutes to several hours, depending upon the thickness of the layer exposed and the season of the year.
Page 202 - Plates, cups, glasses, knives, forks, spoons, etc., used by the sick person for eating and drinking must be kept for his especial use, and under no circumstances removed from the room or mixed with similar utensils used by others, but must be washed in the room in the carbolic solution and then in hot soapsuds. After...
Page 29 - Popularly, the term disinfection is used in a much broader sense. Any chemical agent which destroys or masks bad odors, or which arrests putrefactive decomposition, is spoken of as a disinfectant. And in the absence of any infectious disease, it is common to speak of disinfecting a foul cesspool, or bad-smelling stable or privy vault. This popular use of the term has led to much misapprehension...
Page 268 - There should be no place in it where mosquitoes can seek refuge, not readily accessible to the nurse. Both wards can be in the same building, provided they are separated by a mosquito-tight partition. "5. All persons coming from an infected locality to a post shall be kept under careful observation until the completion of five days from the time of possible infection, either in a special detention camp or in their own quarters ; in either case, their temperature should be taken twice a day during...
Page 42 - ... ignorant as to the exact nature of the infecting agent. The test shows the destruction of infecting power without any reference to the cause of the special virulence, which is demonstrated to be neutralized by certain chemical agents in a given amount. All of the experiments made with the above mentioned kinds of virus have been made upon the lower animals; but there is one kind of material which it is justifiable to use upon man himself, and with which numerous experiments of a very satisfactory...
Page 141 - New levies of troops are especially subject to typhoid fever and other infectious camp diseases, not only because of a lack of discipline and consequent difficulty in the enforcement of necessary sanitary regulations, but also because the individual soldiers are very susceptible to infection, owing to their age, the abrupt change in their mode of life, the exposure and fatigue incident to camp life, and last but not least, their own imprudence as regards eating, drinking, exercise, etc. The trained...