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[Water studies of inhabitants of refuse disposal sites in Cairo. 1].

In two waste disposal sites in Cairo, drinking water samples from springs, drinking vessels and kitchens were investigated. Total germ count lay seldom below one thousand and ten million pro ml. Apart from various faecal germs, Aeromonas hydrophila was also found. The high occurrence of diarrhoeal diseases among the inhabitants of the waste disposal sites can be traced with certainty to the extremely bad drinking water quality.

Colony Count, Microbial↗

[Refuse disposal at the hospital].

For the classification of hospital-wastes in the categories infectious-contaminate or special waste are only significant views of the prevention by nosocomial infection in the hospital. Solely infectious waste become removed hospital-intern and -extern on conditions of hygienic prevention, namely through secure packing during the transport, combustion or desinfection. Special wastes to be defeated by special-conditions. The hygienist of the hospital is only competent for the classification of the wastes in the hospital as well as for their refuse.

Communicable Disease Control↗

[The pathogen spectrum of the conjunctiva of inhabitants of refuse disposal sites in Cairo. I].

In Cairo's waste disposal sites conjunctivitis is frequently found resulting from the burning process of plastic, paper, etc.. Recurrent secondary contamination of the conjunctiva by pathogenic and non-pathogenic microorganisms often takes place; however, in certain germ species, the differentiation between pathogenic or non-pathogenic organisms within a damaged mucous membrane cannot be made. Furthermore, in this study, we have attempted to investigate germ reproduction during the application of PVP-eyedrops. However, our results cannot be conclusive because of the high environmental contamination, very low personal hygiene resulting from contaminated water and the constant exposure of samples to environmental contamination. Studies will be continued.

Air Microbiology↗

[The federal communicable disease law and refuse disposal from hospitals and medical practices].

Several laws and guidelines on the disposal of waste from hospitals and practice differentiate between diverse types of waste. The LAGA instruction sheet lists five types: type A = hospital waste, type B = medical waste, type C = infectious waste, type D = chemical waste, and type E = human pathological material. Especially the basis of differentiation between medical and infectious waste is the list of notifiable infectious diseases according to section 3 of the Federal Law on Epidemic diseases. Section 10a confines the list to contagious infectious diseases. However, some tropical epidemics and endemic infectious diseases are not taken into account. On the other hand, the list includes a few harmless childhood and other diseases. There is not scientific evidence that wastes of this kind have led to infections in the community. Therefore, the Federal Law on Epidemic Diseases does not seem to be a suitable basis for the differentiation between medical and regulated medical wastes.

Communicable Disease Control↗

Improving environmental conditions of a slum in Chandigarh by an awareness campaign.

An intervention project, in the form of an environmental awareness campaign was conducted in a slum of Chandigarh with a population of about 40,000, from December 1998-April 1999. The activities enforced during this campaign included focus group discussions with general public and mothers, household visit by medical students, distribution of literature, use of mass media by involving local residents, primary child care workers, teachers and school children. Evaluation of this campaign was carried out in May 1999 and compared with the baseline data obtained from a survey done in 1997. The study revealed that the method of storing water in covered buckets and utensils had improved significantly from 14.3% and 4.7% in the baseline survey to 35.2% (P < 0.001) and 16.2% (P < 0.01) respectively. Refuse disposal in the community bin and own bin had significantly improved to 22.2% (P < 0.001) and 19% (P < 0.01) from 8.4% and 11.2% respectively in the baseline survey. 51.2% of the residents using own bins disposed the refuse finally into the community bin. The use of community latrines had significantly increased among males (50.0%), females (47.7%) and children (41.2%) after intervention as compared to 32.8%, 32.5% and 16.7% respectively as found in the baseline survey (P < 0.001) and similarly open defaecation had significantly reduced among them. Further the study shows that the awareness regarding diarrhoea as hazard of unsafe water had improved significantly from 28.7% in baseline survey to 55.6% after intervention (P < 0.001). Knowledge of the residents regarding hazards of refuse disposal in the open and open defaecation had also improved significantly. Simple environmental awareness campaign can change the knowledge and behavioural practices of slum dwellers and could be a model for launching similar projects in other slums of India and other developing countries.

Adult↗