Covid -19 and Estimate of Antimicrobial Efficacy of Hand Sanitizers (original) (raw)

2020, Global Journal of Pathology and Microbiology

Hand hygiene, hand sanitizing, is essential in reducing transmission of infectious disease. The outbreaks of any infectious diseases increased public awareness of the practice of hand sanitizing and resulted in the introduction of new products to the markets. All of the sanitizers showed good activities, with inhibition of bacteria noted at concentrations as low as 25%. The average diameters of zones of inhibition (in mm) were observed in Group A (21.2 ± 6), Group B (15.4 ± 0.5), Group C (19.2 ± 1.5), Group D (16.4± 0.5) and Group E (19 ± 1). Maximum inhibition was found with Group A against all the tested organisms. Data were statistically analyzed using analysis of variance and also were statistically significant at P < 0.001. Results showed higher inhibitory activity of the products to Staphylococcus aureus than Escherichia coli and Pseudomonas aeruginosa. This study assesses the antibacterial activity of selected hand sanitizer products against some of the clinical isolates using diffusion susceptibility tests methods. All tested sanitizers showed higher zones of inhibition, indicating their overall effectiveness.

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