The NHS has sounded the alarm, urging people to "stay home" if they catch the norovirus as cases of the dreaded winter vomiting bug hit peak levels. Health chiefs have noted a persistent rise in the illness over recent weeks. In early December, it was revealed that thousands of adult hospital beds had been "closed" due to outbreaks of diarrhoea and vomiting, with advice being to avoid visits to medical facilities for those showing signs of the norovirus. An update from the NHS on social media