title: [Evolution of the number of rotavirus and respiratory syncytial virus infections in children hospitalised in a French university hospital between 1998 and 2005].
abstract: OBJECTIVE
  Respiratory syncytial virus (RSV) and Rotavirus infections represent up to 30% of cross infections in pediatric units. As they are a major public health problem, we studied their evolution and distribution at the Dijon University Hospital.
  
  
  METHODS
  This exhaustive retrospective study included children under 15 with a new Rotavirus or RSV infection who were hospitalised at the Dijon University Hospital between 1998 and 2005. The general trend was determined by using moving averages, and the Spearman correlation coefficient r(s) was calculated.
  
  
  RESULTS
  From 1998 to 2005, 1886 new RSV (n=981) or Rotavirus (n=905) infections were identified in hospitalised children. The number of the infections decreased significantly, both for RSV (r(s)=-0.71 ; p<0.0001) and for Rotavirus (r(s)=-0.77 ; p<0.0001). Almost half of Rotavirus infections were nosocomial (46.3%) vs 5.3% of RSV infections, p<0.0001. There was no significant difference in the proportion of RSV nosocomial infections between the epidemic and non-epidemic period (4.9% of nosocomial infections vs 7.1% respectively, p=0.25). Rotavirus nosocomial infections were less frequent in epidemic period (41.6%) than in non-epidemic period (54.6%); p=0.0002.
  
  
  CONCLUSIONS
  RSV and Rotavirus infections significantly decreased between 1998 and 2005. Proportion of RSV or Rotavirus infections didn't increase in epidemic period, which could be explained both by an increased attention from healthcare professionals and by the effectiveness of hygiene measures taken.
authors.affiliation: Service d'hygiène et d'épidémiologie hospitalière, pôle des pathologies lourdes et des vigilances, CHU de Dijon, 1, boulevard Jeanne-d'Arc, 21079 Dijon cedex, France. isabellefournel@yahoo.fr
authors.forename: I
authors.initials: I
authors.lastname: Fournel
authors.forename: M
authors.initials: M
authors.lastname: Soulias
authors.forename: J-B
authors.initials: JB
authors.lastname: Bour
authors.forename: J-B
authors.initials: JB
authors.lastname: Gouyon
authors.forename: F
authors.initials: F
authors.lastname: Huet
authors.forename: L-S
authors.initials: LS
authors.lastname: Aho
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D017714:Community-Acquired Infections / Q000453:epidemiology / Q000821:virology; D015897:Comorbidity; D003428:Cross Infection / Q000453:epidemiology / Q000821:virology; D004196:Disease Outbreaks; D005260:Female; D005602:France / Q000453:epidemiology; D006785:Hospitals, University / Q000706:statistics & numerical data; D006801:Humans; D007223:Infant; D007297:Inpatients; D008297:Male; D009017:Morbidity / Q000639:trends; D018357:Respiratory Syncytial Virus Infections / Q000453:epidemiology*; D012189:Retrospective Studies; D012400:Rotavirus Infections / Q000453:epidemiology*