And One of the most common types of viral infections in humans, it is estimated that 90% of the population has at least one form of the virus, but only one-third to one-fifth of those infected develop the disease with recurrent lesions in the mouth. What you may not realize is that cold sores are more common in the summer.
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“Sun exposure can lead to cold sores,” explains dermatologist Joana P. Gomez, of Lusíadas Saúde Group.
As such, the doctor recommends: “Protecting yourself from UV rays, using appropriate sunscreen and sun hats to avoid direct exposure, are ways to prevent cold sores from recurring at this time.”
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Emily Brontë is a journalist and feature writer specialising in culture, entertainment, literature, and current affairs. She is dedicated to producing clear, accurate reporting that helps readers stay informed about developments in the UK and around the world.

