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Updated: Feb 8, 2026

Monitoring Spatial Segregation in Surface Colonizing Microbial Populations
Published on: October 29, 2016
Nail microbial colonization following hand disinfection: a qualitative pilot study
M Z Wałaszek1, M Kołpa2, A Różańska3
1Department of Nursing, Institute of Health Sciences, State Higher Vocational School in Tarnów, Poland; St Łukasz Voivodeship Hospital, Tarnów, Poland.
Abstract:
Effective hand hygiene among healthcare workers is one of the basic principles of preventing nosocomial infections. The aim of the study was a qualitative examination of microbial colonization of nails following hand hygiene. The results were stratified by nail length: short versus long and the presence of a varnish coating: natural versus varnished. The presence of potentially pathogenic micro-organisms was correlated with nail length (odds ratio: 7.1; 95% confidence interval: 1.83-27.39; P < 0.001) and the presence of ultraviolet (UV)-cured nail polish (7.2; 1.25-40.91; P < 0.05). There is a high probability of ineffective hand hygiene when keeping long nails and when UV-cured nail polish is present on them.
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