Group A Strep is a bacterium found in many peoples throats and on the skin. It causes illnesses such as Scarlet Fever, Tonsillitis & Cellulitis, though some people never feel unwell from the infection.
Unfortunately, this year there has been an increase in the number of infections (mostly in small children), and a small number of these have resulted in death.
The links below lead to sites with some helpful information about Strep A, including what symptoms to look out for & what to do in an emergency:
https://ukhsa.blog.gov.uk/2022/12/05/group-a-strep-what-you-need-to-know/