| investigation of an outbreak of vomiting in nurseries in south east england, may 2012. | on 30 may 2012, surrey and sussex health protection unit was called by five nurseries reporting children and staff with sudden onset vomiting approximately an hour after finishing their lunch that day. over the following 24 h 50 further nurseries supplied by the same company reported cases of vomiting (182 children, 18 staff affected). epidemiological investigations were undertaken in order to identify the cause of the outbreak and prevent further cases. investigations demonstrated a nursery-lev ... | 2016 | 26165194 |