AN urgent warning has been issued to parents over a highly infectious virus that is spread by skin-to-skin contact. The health warning highlights the risk of cold sores on young children and babies. Due to the rise of cold sores across the country, the HSE have issued an urgent warning to parents.

Cold sores, also known as fever blisters, are caused by the herpes simplex virus. These fluid like blisters typically appear around the mouth and lips, and can be triggered by stress, sunlight exposure or a weakened immune system. They can also be very painful, and cause a burning or itching sensation around the face.

The HSE took to X, formerly known as twitter , to warn parents about the viral illness when around children. They said: "Cold sores are tiny, fluid-filled blisters on the face that are caused by the herpes simplex virus. "They are spread by direct skin-to-skin contact and are highly infectious.

"Do not kiss babies if you have a cold sore." Parents should avoid kissing children when they have the viral illness because it can be easily transmitted through direct contact. Cold sore symptoms are often more severe in children and babies, and it can cause them pain and discomfort.

The viral illness usually heal on their own in a week or two, but outbreaks can occur several times a year. Antiviral creams can be bought in a pharmacy to help with the healing process. Its important to refrain from sharing utensils, lip products or kissing to prevent the spread of the virus to ot.