HPA update on seasonal norovirus activity: 15 January 2013

HPA update on seasonal norovirus activity: 15 January 2013: Latest figures from the Health Protection Agency (HPA) show there have been 4,407 laboratory confirmed cases of norovirus this season (from week 27 to week 01 2013). The latest figures are 56 per cent higher than the number of cases reported at this point last year, when there were 2,828 cases.