Asian Journal of Microbiology, Biotechnology & Environmental Sciences Paper


Vol.12, Issue 4, 2010

Page Number: 721-726

MICOBIAL AIR QUALTY OF X-RAY ROOMS IN PRIVATE AND PUBLIC RADIOLOGY UNIT IN BENIN CITY, NIGERIA

OSHOMA, C.E.., F.O. EHIGIMAMUSOE, A.O. EMOGHENE AND A.O. OSAYANDE

Abstract

The level of possible airborne bacterial and fungal flora of X-ray rooms in the Central Hospital and St. Bridget X-ray Center Limited in Benin City were investigated. The investigated areas were indoor and outdoor environment of the X-ray rooms. Samples were collected using the settled plate method for the enumeration of bacterial and fungal isolates for a period of five days. The highest bacterial population of 41.50cfu/m3 was recorded on day 2 in the outdoor of Central Hospital and the lowest was 2.00cfu/m3 on day 3 in the indoor of St Bridget X-ray Center Limited. Fungal population was smaller than the bacterial population. The highest fungal count been 17.50cfu/m3 on day 2 in the outdoor of Central Hospital. The bacterial frequent isolated from the X-ray rooms were Pseudomonas aeruginosa (39.35% and 37.29%), Staphylococcus aureus (17.66% and 15.25%) and Escherichia coli (11.39% and 5.08%) in Central Hospital and St. Bridget X-ray Center Limited respectively. The most frequently fungal isolate was Aspergillus niger ( 56.11% and 49.44%) in Central Hospital and St. Bridget X-ray Center Limited respectively. The result confirmed the degree of microbial contamination was high in the Central Hospital than St. Bridget X-ray Center Limited.

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