Shiranee Sriskandan, a leading expert on Group A Streptococcus from Imperial College London, joins Tim Spector, co-founder of ZOE and a top scientist tracking infectious diseases. They discuss the alarming rise in Strep A infections this year, particularly among children, leading to severe health concerns. The conversation covers common symptoms to watch for, the differences in healthcare approaches between the UK and US, and the complexities surrounding antibiotic use and vaccine development. Parents are given essential tips for monitoring their children's health.