Colds are caused by viruses. They are spread by germs from coughs and sneezes, which can live on hands and surfaces for 24 hours.
People with colds are infectious until all your symptoms have gone. This usually takes 1 to 2 weeks. It can be longer in babies and young children.
The best ways to avoid catching a cold are:
- washing your hands with warm water and soap
- not sharing towels or household items (like cups or children's toys) with someone who has a cold
- not touching your eyes or nose in case you've come into contact with the virus
- staying fit and healthy
