Bulletin, Volume 3, Issue 2 |
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analysis antitoxin appearance assistance attention bacteria bacteriology believe benefit births Board of Health causes of death cent certificate cholera contagious disease contaminated correct diagnosis culture desquamation diph diphtheria discharge Discussion by Dr disinfection drinking water duty epidemic epidemic of cholera eruption examination experiments fact frequently germ health officer health officer's hundred important infected infectious diseases instances institution investigations isolation labora laboratory of hygiene letters malaria marriage McCollom means measles microbes mild attacks mosquitoes negative number of deaths opinion papillæ papular stage patient period persons physicians quarantine received registration returns Sanborn sanitary condition sanitation scarlet fever school buildings schoolhouse sent sewage sick smallpox specimens spirilla spread sputum state's attorneys suspected symptom temperature theria thousand tion town clerks trouble tuberculosis typhoid fever unfit for domestic varicella variola ventilation Vermont vesicles water supply yellow fever
Popular passages
Page 10 - C. fasciatus — serves as the intermediate host for the parasite of yellow fever. 2. Yellow fever is transmitted to the non-immune individual by means of the bite of the mosquito that has previously fed on the blood of those sick with this disease.
Page 10 - ... 5. Yellow fever can also be experimentally produced by the subcutaneous injection of blood taken from the general circulation during the first and second days of this disease.
Page 10 - A house may be said to be infected with yellow fever only when there are present within its walls contaminated mosquitoes capable of conveying the parasite of this disease. 10. The spread of yellow fever can be most effectually controlled by measures directed to the destruction of mosquitoes and the protection of the sick against the bites of these insects. 11. While the mode of propagation of yellow fever has now been definitely determined, the specific cause of this disease remains to be discovered.
Page 10 - ... mosquito bit the infected person before its bite could transmit the disease, and that after this period it maintained its ability to infect the well for at least fifty-nine days. To carry out the experiments more thoroughly, two buildings were erected. One, known as the infected mosquito building, was divided into two rooms by a wire screen partition extending from the floor to the ceiling. The door and windows were screened, but so placed as to give thorough ventilation. All articles introduced...
Page 9 - ... patients throughout their entire attacks, besides making use exclusively of their much-soiled pillow-slips, sheets, and blankets. At the end of twenty-one nights of such intimate contact with these fomites, they also went into quarantine, from which they were released five days later in perfect health. From January 11 till January 31, a period of twenty days, 'Building No. 1...
Page 10 - ... 8. Yellow fever is not conveyed by fomites, and hence disinfection of articles of clothing, bedding, or merchandise, supposedly contaminated by contact with those sick with the disease, is unnecessary. 9. A house may be said to be infected with yellow fever only when there are present within its walls contaminated mosquitoes capable of conveying the parasite of this disease.
Page 9 - Entrance was effected through a small vestibule, 3x5 feet, also placed on the southern side of the house. This vestibule was protected without by a solid door and was divided in its middle by a wire screen door, swung on spring hinges. The inner entrance was also closed by a second wire screen door. In this way the passage of mosquitoes into this room was effectually excluded. During the day, and until after sunset, the house was kept securely closed, while by means of a suitable heating apparatus...
Page 10 - ... 3. An interval of about twelve days or more after contamination appears to be necessary before the mosquito is capable of conveying the infection. 4. The bite of the mosquito at an earlier period after contamination does not appear to confer any immunity against a subsequent attack.
Page 9 - The majority of the articles had been taken from the beds of patients sick with yellow fever at Las Animas Hospital, Havana, or at Columbia Barracks. Many of them had been purposely soiled with a liberal quantity of black vomit, urine, and fecal matter. A dirty 'comfortable...
Page 63 - translated" condition — marvelously hairy about the face. In another hemisphere i it is announced that the milk commission of New York has ordered that hereafter smooth-faced men only shall be employed for milking cows and delivering milk to the various depots throughout the state.