Strep A / Scarlet Fever Posted or Updated on 8 Dec 2023

Group A streptococcus (GAS) is a common bacteria. Lots of us carry it in our throats and on our skin and it doesn’t always result in illness. However, GAS does cause a number of infections, some mild and some more serious.

The most serious infections linked to GAS come from invasive group A strep, known as iGAS. These infections are caused by the bacteria getting into parts of the body where it is not normally found, such as the lungs or bloodstream. In rare cases an iGAS infection can be fatal. 

Whilst iGAS infections are still uncommon, the UK Health Security (UKHSA) has reported an increase in cases this year, particularly in children under 10 and tragically, a small number of deaths. 

Further details about Group A streptococcus

Information for parents