Abstract: People are exposed to a variety of potentially harmful agents in the air they breathe, the liquid they drink, the food they eat, the surface they touch and the products they use. An important aspect of public health is the prevention or reduction of exposures to environmental agents that contribute, either directly or indirectly, to increased rate of death, disease, discomfort or disability.
The objectives of this study are to measure the quality of biological agents i.e. bacteria and fungi in air and dust at Shendi town and to show the types and the presence of the allergens in the area.
The study was conducted by environmental monitoring, questionnaire and time - activity surveys. The town has been divided into five sectors, from each sector 24 air samples were collected randomly by multistage sampling technique; the total is 180 samples.
All project's data are stored in Microsoft Excel spreadsheets. The preliminary characteristic and indoor pollutant exposure range also were calculated using Excel. Data were also exported to SPSS for additional statistical analyses. Descriptive analyses included frequencies, means and standard deviations as well as analysis of variance for mean comparisons and analyses for categorical variables.
The total exposed Petri dishes for bacteria growth were 120. Most of them were Gram –ve baclli 13 species. The most abundant frequent species were Pseudomonos aeraginosa, Hafnia alvei, E.coli, Cedecea davicae, Providincia rettgeri and Klebsiella pneumoniae. Of the total 120 exposed Petri dishes fungal spores were collected on only 105.The colonies were identified up to the specific level into 17 species. The most abundant frequent species were Aspergiluis, Penecillium, Alternaria; Cladospormm; Curvularia; Fusarium. Thus a comprehensive study, of indoor air biological species, should be done by the Sudanese Standards &Metrology Organization (SSMO) in order to establish Standards for biological allergens.
Keywords: Air, dust, allegens, Shendi.
Title: Assessment of Biological Allergens in Air & Dust in Shendi Town
Author: Dr. Abdelsalam Mohamed Daoud, Dr. Ali Ibrahim Elamin, Dr. Mohammed Suleiman Mohammed Gibreel
International Journal of Healthcare Sciences
ISSN 2348-5728 (Online)
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