Why are children in the UK at risk of serious strep A infections?
Science Weekly
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Scarlet Fever
Group A strep makes a number of proteases or enzymes that destroy our chemical messengers. It's set up to repel the immune system pretty early on, so it can't be killed by white blood cells called neutrophils. Without antibody and without those neutrophils, we can't actually get rid of the bacterium. And if it starts making toxins that trigger T-cell proliferation,. We believe that that's what triggers this kind of reaction of scarlet fever. But often the worst period of infection, if you write this refeverin zone, does go away.
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