Isolation of Legionella pneumophila from Tehran Hospital Water Samples
نویسندگان
چکیده
Over a Period of three months (summer), 108 samples of water collected from four hospitals in Tehran. They were taken from numerous potable and non-potable water, including main supply cisterns, calorifiers, hot and cold tap water, shower, cooling tower and drain of air condition system. Culturing of concentrated and non-concentrated water samples on Buffered Charcoal Yeast Extract (BCYE) Agar and Selective BCYE agar yielded one strain of Legionella pneumophila. It was found in cooling tower drain of one hospitals. The strain isolated belonged to sero-group 4 (Portland-1 Strain). It was also atypical being hippurate negative.
منابع مشابه
Isolation of Legionella pneumophila from Tehran Hospital Water Samples
Over a Period of three months (summer), 108 samples of water collected from four hospitals in Te-hran. They were taken from numerous potable and non-potable water, including main supply cis-terns, calorifiers, hot and cold tap water, shower, cooling tower and drain of air condition system. Culturing of concentrated and non-concentrated water samples on Buffered Charcoal Yeast Extract (BCYE) Aga...
متن کاملIsolation of Legionella Pneumophila Serogroups 1, 8 & 10 (Causative Agents of Legionnaires\' Disease) from Water Sources in Tehran, Iran
In this survey, 187 samples collected from 9 different sources of water in Tehran such as: water coolers, neonates incubators, water bathes (37° C), little pools in parks or squares, cooling towers, hot or cold water taps, were examined for Legionnaires' disease agents. Inoculating water samples on selective and nonselective media resulted in isolation of several strains of gram negative bact...
متن کاملInvestigation of Legionella Pneumophila bacteria in hospital water supply systems
Introduction: Legionella Pneumophila bacteria is known as one of the most important nosocomial infections and the most common cause of death in patients. This study was aimed to identify Legionella Pneumophila bacteria in hospital water supply systems. Material and Methods: This descriptive cross-sectional study was performed to identify Legionella pneumophila in hot and cold-water systems of i...
متن کاملIsolation and identification of Legionella spp. from different aquatic sources in south-west of Iran by molecular &culture methods
Legionella pneumophila, the causative agent of Legionnaires’ diseases (LD) is usually transmitted to humans via inhalation of aerosols from contaminated natural and manmade water sources. These organisms may become fatal especially in immunocompromised patients and LD is the one of the important disease from a public health perspective. This survey investigated the frequency of Legionella spp. ...
متن کاملIsolation of Legionella pneumophila from hospital cooling towers in Johor, Malaysia.
Water-based cooling towers and their water supply at two hospitals in Johor were surveyed for the presence Legionella pneumophila. L. pneumophila were grown from 19 (76%) out of 25 collected water samples. One hospital cooling tower was contaminated with L. pneumophila serogroup 1.
متن کامل