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Deployment Environment: Operating Theatre Environment Background Modern operating theatres are now highly regulated environments as the presence of microbial contamination can present a serious risk to patients undergoing surgery. Operating theatres employ various technologies including High Efficiency Particle Air (HEPA) filtration as well as clothing and hygiene practices designed to mitigate the risk of contamination. The presence of microbial contamination in the air of operating theatres is known to have significant impact on the control of healthcare associated infections, and regular microbial monitoring can assess environmental quality and identify critical situations which require corrective intervention1. Typically, this is done by...