We are reaching that time of year again when sickness bugs are doing the rounds.  For information please see following link to the Health Protection Agencies pages on the norovirus or the attached FAQ document.

http://www.hpa.org.uk/infections/topics_az/norovirus/menu.htm  

The key aspects to note to prevent spread are the need for scrupulous hygiene, particularly during food preparation, and the need for those affected to remain away from work/school for 48 hours after symptoms have stopped.