Bacteriological and Fungal Evaluation of Three Brands of Disinfectants Sold in Calabar Municipality, Cross River State

The antimicrobial activity of three commonly used disinfectant brands D, R and P against Escherichia coli, Staphylococcus aureus, Candida albicans and Pseudomonas aeruginosa were investigated. Their efficacies were determined using the In-use test and capacity test (Kelsey-Sykes) at different dilutions of the test disinfectants while their potency were tested under clean and dirty conditions using the Kelsey-Sykes standard test. The results of the study show that as the concentration reduced the susceptibility rates of the test organisms were also reduced. The potency of the disinfectants showed that they were all effective, with D being the most potent disinfectant as compared to other brands (R and P) under study. Furthermore, Pseudomonas aeruginosa was more resistant than other test organisms. To ensure efficacy and maintain standard, regular tests should be carried out on old and new disinfectant products.