Background To support the role of nurses as active proponents of antimicrobial stewardship in long-term care facilities, we developed an educational intervention consisting of a free online course comprised of 6 interactive modules. Here, we report the effect of the course on the knowledge, beliefs and attitudes towards antimicrobial stewardship of nurses working in long-term care facilities. Measurements We used a paired pre- and post-course survey instrument to assess nurses’ knowledge regarding the care of long-term care facility residents with infections as well as attitudes and beliefs regarding antimicrobial stewardship. Results 103 respondents, RNs or LPNs, completed the pre and post-surveys. Their mean knowledge scores improved, from 75% (pre-course) to 86% (post-course, P < 0.001). Following the course, nurses’ agreement that their role influences whether or not residents receive antimicrobials increased significantly (P < 0.001). Discussion The online course improves nurses’ knowledge regarding the care of long-term care facility residents with infections and improves their confidence to engage in antimicrobial stewardship activities. Conclusion Empowering nurses to be antimicrobial stewards may help reduce unnecessary antibiotic use among institutionalized older adults.

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