Preventing Travellers Diarrhoea: How to Make Drinking Water Safe

Travelers who fall into this group a special effort to boil the water …. For a stock of 1% calcium hypochlorite, solar cooking can…. Besides mild diarrhoea, other diseases may include typhoi d (enteric) fever, amoebic and bacillary dysentery, hepatitis A and E, hemolytic uremic syndrome and others

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Symptoms may last for a few hours to several w eeks depending on the infectious agent and type of medical intervention. These same signs and symptoms can occur early in the course of many diseases, some of which can be life threatening. If signs and symptoms are severe or get progressively worse, medical attention should be DISINFECTION METHODS Method Recommendation (1 L or 1 Qt of water) What it DOES What it does NOT do Bring water to a rolling boil and allow to Kills all pathogens Does not remove turbidity/cloudiness Chlorine compounds Household bleach (sodium ypochlorite) Sodium dichloroi- socyanurate tablet Calcium Hypochlorite For typical room temperature and water temperature of 25 contact time should be 30 minutes; increase contact time for colder water; e.g. one hour at less than 10 Prepare according to package instructions Should be added to clear water or after settling or clarification to be most effective …
The designations employed and the presentation of the materi al in this document do not imply the expression of any opinion whatso the World Health any country, territory, city or area or of its authorities, or concerning the delimi tation of its frontiers or boundaries. The mention of specific comp anies or of certain manufacturers’ produc ts does not imply that they are endorsed or recommended by th tion in preference to others of a similar nature that are not mentioned….
Its presence in some filters General preventive measures while travelling Drink bottled water provided in sealed, tamper-proof containers and bottled by known brands (which, preferably, have been certified by responsible authorities). Hotel personnel and/or host families ar Hot beverages such as coffee and tea should be prepared with safe water (as Avoid consumption of Carbonated bottled beverages (sodas) and beverages and pasteurized, boiled or sterilized milk (without ice) are normally free from microorganisms wh Bottled beer, wine and other alcoholic although drinking alcoholic beverages may in Do not eat salads or other uncooked dishes that may have been washed or All food which has not been prepared usi ng proper hygiene practices (c.f. WHO\’s Five Keys to Safer Food: Symptoms if one does fall ill following: diarrhoea, nausea, vomiting, fe eeks depending on the infectious agent and signs and symptoms can occur early in the course of many diseases, some of which can be life threatening…

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