Travel medicine and infectious disease · 2025
A preliminary analysis of hand disinfection use by travellers and their colonisation-risk with multi-resistant bacteria: A proof-of-concept study.
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Kaspers Tobias, Berdin Cosima, Staub Thérèse, Gärtner Barbara, Berger Fabian, Halfmann Alexander, Becker Sören L, Schneitler Sophie
Аннотация
BACKGROUND: International travellers have the potential to transmit multidrug-resistant bacteria. However, the role of hygiene measures during travel has yet to be investigated.
METHOD: Travellers were asked about their use of disinfectants and hygiene behaviour. Stool samples were analysed for Gram-negative multi-resistant bacteria (MDRO). These data were analysed, and a new MDRO risk map was developed and compared with data from existing literature.
RESULT: Of 214 travellers, 6 (2.8 %) tested positive for an MDRO before and 16 (7.5 %) after the trip, with travel in known high-risk MDRO areas. Most travellers, 174 (81.3 %), regularly used disinfectants; only 36 (16.8 %) did not. There was no statistically significant correlation between the use of a disinfectant and colonisation with MDRO. In our and comparable studies, a high-risk region on the risk map was associated with an increased number of MDRO or extended-spectrum beta-lactamase (ESBL) positive returns.
CONCLUSION: Travellers showed a high willingness to use disinfectants. This preliminary study highlights the need for larger, randomized studies to better assess the true impact of hand disinfectants on MDRO acquisition.
METHOD: Travellers were asked about their use of disinfectants and hygiene behaviour. Stool samples were analysed for Gram-negative multi-resistant bacteria (MDRO). These data were analysed, and a new MDRO risk map was developed and compared with data from existing literature.
RESULT: Of 214 travellers, 6 (2.8 %) tested positive for an MDRO before and 16 (7.5 %) after the trip, with travel in known high-risk MDRO areas. Most travellers, 174 (81.3 %), regularly used disinfectants; only 36 (16.8 %) did not. There was no statistically significant correlation between the use of a disinfectant and colonisation with MDRO. In our and comparable studies, a high-risk region on the risk map was associated with an increased number of MDRO or extended-spectrum beta-lactamase (ESBL) positive returns.
CONCLUSION: Travellers showed a high willingness to use disinfectants. This preliminary study highlights the need for larger, randomized studies to better assess the true impact of hand disinfectants on MDRO acquisition.