Who is this page for?
This page is for anyone looking for information about Group A Strep, including parents, carers and healthcare professionals.
About Group A Strep (GAS)
GAS are common bacteria that can live on or in the body without causing illness. They can also cause skin, soft tissue and respiratory infections.
GAS spreads through close contact, respiratory droplets and direct skin contact.
Scarlet fever
Scarlet fever is an infection caused by Group A Strep. It mainly affects children and usually cause a sore throat, high temperature and a distinctive rash. Most cases can be treated with antibiotics.
For more detailed information about symptoms, treatment and when to seek medical advice visit Scarlet fever | nidirect.
Invasive Group A Strep (iGAS)
Rarely, Group A Strep bacteria can cause a more serious infection known as invasive Group A Strep (iGAS). This happens when the bacteria enter parts of the body where they are not normally found, such as the blood, deep tissues or joints.
Data and surveillance
PHA monitors scarlet fever and iGAS in Northern Ireland and publishes regular surveillance information. Click here to access Scarlet fever and IGAS report | HSC Public Health Agency.
For professionals
Guidance for healthcare professionals on the management and prevention of Group A Strep infection: