Infection and Immunity: With Special Reference to the Prevention of Infectious Diseases |
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Page 11
... temperature , moisture , and suitable nutrient material . Under favourable conditions bacilli have been ob- served to divide in twenty minutes , and , as each daughter cell is equal in size to the mother cell , it is evident that an ...
... temperature , moisture , and suitable nutrient material . Under favourable conditions bacilli have been ob- served to divide in twenty minutes , and , as each daughter cell is equal in size to the mother cell , it is evident that an ...
Page 12
... temperature . They also resist desiccation , and may retain their vitality for months or years until circum- stances are favourable for their development , when , under the influence of heat and moisture , they repro- duce the minute ...
... temperature . They also resist desiccation , and may retain their vitality for months or years until circum- stances are favourable for their development , when , under the influence of heat and moisture , they repro- duce the minute ...
Page 19
... temperature , cooked pork is quite harmless , so far as this disease is con- cerned . Infection through wounds is far less common at the present day than was the case before aseptic sur- gery and the antiseptic treatment of wounds ...
... temperature , cooked pork is quite harmless , so far as this disease is con- cerned . Infection through wounds is far less common at the present day than was the case before aseptic sur- gery and the antiseptic treatment of wounds ...
Page 40
... temperature of 150 ° Fahr . quickly kills most bacteria in the absence of spores . A similar difference is shown as regards the action of chemical agents . Certain agents , - e . g . , sulphurous - acid gas and carbolic acid , -which ...
... temperature of 150 ° Fahr . quickly kills most bacteria in the absence of spores . A similar difference is shown as regards the action of chemical agents . Certain agents , - e . g . , sulphurous - acid gas and carbolic acid , -which ...
Page 43
... temperature of boiling water , many of the most important pathogenic bac- teria are quickly destroyed by a much lower tempera- ture than this — that is , when exposed in a liquid or in a moist condition . When in a desiccated condition ...
... temperature of boiling water , many of the most important pathogenic bac- teria are quickly destroyed by a much lower tempera- ture than this — that is , when exposed in a liquid or in a moist condition . When in a desiccated condition ...
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Common terms and phrases
anthrax antiseptics antitoxin attack bacillus bacteria bacteriologist bite blood body boiling water bubonic plague carbolic acid cause census ceptible CHAPTER chemical agents clothing considerable contract the disease countries culture death-rate demonstrated desiccation destroyed destruction diphtheria disease germs disin disinfecting solution disinfection epidemic erysipelas especially Europe evidence excreta experiments exposed exposure extent fact fatal favourable filth diseases germicidal Health individuals infecting power infection infectious agent infectious diseases infectious material influenza inoculation isolation known leprosy liable living malarial fevers measles measures method micro-organism micrococcus of pneumonia mortality mosquitoes natural immunity number of deaths obtained occur parasite patient period of incubation persons physicians pneumonia prevailed prevention propagation pulmonary rabid animal rabies recognised reference relapsing fever resisting power result sanitary scarlet fever sick sick-room smallpox spirillum spores sputa sterilised suffered sulphur surface susceptible temperature tetanus tion total number tuberculosis typhoid fever vaccination virulence virus vitality wound yellow fever
Popular passages
Page 215 - That disease, over which science has since achieved a succession of glorious and beneficent victories, was then the most terrible of all the ministers of death. The havoc of the plague...
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 29 - ... of the same class as that to which disease germs belong, and the agents which destroy the latter also destroy the bacteria of putrefaction, when brought in contact with them in sufficient quantity, or restrain their development when present in smaller amounts. A large number of the proprietary
Page 49 - Koch states that 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. Diffused daylight also has the same effect, although a considerably longer time of exposure is required — when placed close to a window, from five to seven days.
Page 196 - 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.