For this purpose the standard solution of chloride of lime may be used in quantity proportioned to the amount of material to be disinfected, but where this is considerable it will scarcely be practicable to sterilize the whole mass. The liberal and repeated use of this solution, or of a 5 per cent, solution of carbolic acid, will, however, disinfect the surface of the mass, and is especially to be recommended during the epidemic prevalence of typhoid fever or of cholera. All exposed portions of the vault, and the wood-work above it, should be thoroughly washed down with the disinfecting solution. Instead of the disinfecting solutions recommended, chloride of lime in powder may be daily scattered over the contents of the privy vault.
Disinfection of ingesta. It is well established that cholera and typhoid fever are very frequently, and perhaps usually, transmitted through the medium of infected water or articles of food, and especially milk. Fortunately we have a simple means at hand for disinfecting such infected fluids. This consists in the application of heat. The boiling temperature maintained for half an hour kills all known disease germs. So far as the germs of cholera, yellow fever, and diphtheria are concerned, there is good reason to believe that a temperature considerably below the boiling point of water will destroy them. But in order to keep on the safe side, it is best not to trust anything short of the boiling point (21 2° F.) when the object is to disinfect food or drink which is open to the suspicion of containing the germs of any infectious disease.
During the prevalence of an epidemic of cholera it is well to boil all water for drinking purposes. After boiling, the water may be filtered, if necessary to remove sediment, and then cooled with pure ice, if desired.<Callout type="important" title="Boiling Water">Boiling water for at least 30 minutes ensures that all disease germs are killed.</Callout> BIBLIOGRAPHY FROM 1880 TO 1888. Compiled by GEORGE H. ROHE M. D., Secretary of the Committee.
Key Takeaways
- Chloride of lime and carbolic acid solutions are effective for surface disinfection during epidemics.
- Boiling water for at least half an hour is recommended to kill disease germs in drinking water.
- Regular application of chloride of lime powder can help maintain hygiene in privy vaults.
Practical Tips
- Use a 5% solution of carbolic acid for thorough surface disinfection during outbreaks.
- Boil milk and other food items before consumption to ensure they are free from disease germs.
- Regularly clean exposed surfaces with disinfecting solutions or powder to maintain hygiene.
Warnings & Risks
- Do not rely solely on partial boiling of water as it may not kill all harmful bacteria and viruses.
- Overuse of chemical disinfectants can be harmful if they are not properly diluted or used in a well-ventilated area.
Modern Application
While the specific chemicals mentioned have been largely replaced by more effective modern disinfectants, the principles of thorough surface cleaning and boiling water remain crucial for preventing the spread of infectious diseases. The historical emphasis on hygiene practices during epidemics underscores their continued relevance in today's world.
Frequently Asked Questions
Q: What is the recommended method to disinfect drinking water during a cholera epidemic?
During an outbreak, it is advised to boil all drinking water for at least half an hour to ensure that all disease germs are killed.
Q: How can one effectively use chloride of lime in powder form?
Chloride of lime in powder form may be scattered daily over the contents of a privy vault to maintain hygiene and prevent the spread of infectious diseases.
Q: What is the significance of boiling temperature for disinfecting food items?
Boiling temperatures are effective at killing all known disease germs, making it essential to boil food items like milk during an epidemic to ensure they are safe for consumption.