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Christian Moro, Associate Professor of Science & Medicine, Bond University

Crusty, blistering and peeling: where do cold sores come from and what can you do about them?

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Three quarters of Australians are living with herpes simplex virus type 1 (HSV-1), an infection which causes cold sores. These tiny fluid-filled lesions and blisters sit along the mouth and nose area.

This is not the same virus that causes genital herpes, HSV-2, which is present in about 13% of people worldwide.

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