Impetigo is a common and highly contagious skin infection that causes sores and blisters. It's not usually serious and often improves within a week of treatment or within a few weeks without treatment. Impetigo is the most common skin infection in young children in the UK, but it can affect people of all ages.
The bacteria can be spread easily through close contact with someone who has the infection, such as through direct physical contact, or by sharing towels or flannels.
As the condition doesn't cause any symptoms until four to 10 days after initial exposure to the bacteria, it's often easily spread to others unintentionally.
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