Swine flu is a new version of the H1N1 strain of influenza type A. Most people do not have immunity to it and may become ill or even die. This brochure prepared by the Simmons Centre for Hygiene and Health, Boston, USA, reviews the current recommendations to clean your home to reduce contamination in the event of an outbreak of H1N1 or seasonal flu: http://www.simmons.edu/hygieneandhealth/H1N1%20cleaning%20again%20brochure.pdf