What is the herpes simplex virus?

THE VIRUS

HUMAN herpes simplex virus (HSV) types 1 and 2 are part of the family of human herpes viruses. HSV-1 is the common cause of ‘cold sores’ that typically appear on the face, generally around the lips or nostril. HSV-2 is more commonly associated with painful blisters or ulcers in, or around, the genital area. HSV viruses, once acquired, persist in the body in a dormant state even after the acute symptoms subside.

TRANSMISSION

HSV is spread by direct contact with a skin lesion, saliva, or genital secretions. The virus can spread whether symptoms are present or not.

HSV & NEONATES

Neonatal HSV can be fatal, as we have seen with baby Eibhlín. In 85% of cases it is transferred to the baby during the birth. In 10% of cases it is transferred to the baby after birth. In just 5% of cases, it is transferred during pregnancy.