Colds are easily spread, particularly during the first few days of illness. It is therefore a good idea to try to avoid spreading the virus by washing your hands regularly and not getting too close to anyone, for example.
Winter vomiting disease is caused by the calicivirus and is one of the most common stomach bugs in Sweden. You can get an upset stomach for many different reasons. In order to prevent infection, good hygiene is essential, particularly washing your hands thoroughly with soap and water after you have been to the toilet.