High efficiency of 70% isopropanol in reducing microbial contamination on healthcare workers' smartphone surfaces: a pre-post study in Peru.

After cleaning the phone surfaces with a 70% isopropanol solution, the baseline contamination rate of 90.4% was reduced to 14.0%, showing highly significant differences ( p < 0.001).

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Conclusions Our study suggests a high disinfectant capacity of 70% isopropanol on the surfaces of healthcare workers’ smartphones, with a statistically and practically significant reduction in microbial contamination.

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