Indian currency notes and coins of Chennai city were surveyed for microbial contamination. This study was carried out on 20 samples of notes and coins collected from different sectors and tested for Gram staining. Identification and characterization revealed the active participation of microorganisms in the descending order of colony forming units/ml as slaughter houses with >300 × 10²cfu/ml, bus conductors 36×10²cfu/ml, hospitals 25×10²cfu/ml, hotels 12×10²cfu/ml and banks 12×10²cfu/ml. The study suggested that Indian paper currency were commonly contaminated with micro-organisms that may play a significant role in the transmission of various diseases, so great care should be taken care during handling of money and the preparation and handling of food to avoid cross-contamination.
Keywords: Indian paper currency, Indian coins, microbial contamination, Staphylococcus.
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