Laboratory-confirmed cases of norovirus fell over the Christmas period, but look set to pick up over the next few weeks and continue to rise until the April, according to The Health Protection Agency.
Laboratory-confirmed cases of norovirus fell over the Christmas period, but look set to pick up over the next few weeks and continue to rise until the April, according to The Health Protection Agency.
This includes a new variant of norovirus (genotype G11 - 4) called Sydney 2012.
There were 4,140 confirmed cases in England and Wales this season, 63 per cent higher than the same time last year, but officials estimate 1.2 million cases went unreported.