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The present study was aimed to assess the microbiol ogical quality of street vended drinking water of Dhaka city. The water samples were collect ed from street vendors in different areas of Dhaka city. All of the 30 samples were fou nd having microorganisms higher than WHO limits for drinking water. Four (13.34%) samples were confirmed to have Salmonella contamination and twenty (66.67%) samples were contaminated with Pseudomonas . Based on morphological and biochemical characterization Salmonella isolates were identified as Salmonella choleraesuis and Salmonella bongori. Among the isolates of Pseudomonas , fourteen were identified as Pseudomonas alcaligens and six were as Pseudomonas aeruginosa . During antibiogram for Salmonella, 100% of the isolates were found resistant to Penicillin. Chloramphenicol, doxycycline, Gentamycin, Neomycin were sensitive to all of the isolates. The Pseudomonas isolates showed a significant drug resistance to P enicillin (100%), Ampicillin (95%), Amoxicillin (95%) and Nalidixic acid (85%). The present study demonstrates that drinking water samples from stree t vendors in Dhaka city are not complying with microbiological specifications of WHO and indicates that street vending drinking water in Dhaka city may not be safe for hu man consumption and also shows that these are the potential sources of drug resistance Salmonella and Pseudomonas .

journal of scientific research

Microbiological Quality of Street Vended Drinking Water in Dhaka City and Screening for Antibiotics Resistance of Isolated &lt;i&gt;Salmonella spp&lt;/i&gt; and &lt;i&gt;Pseudomonas spp.&lt;/i&gt;