Just to add.... I think Scarlet Fever got a name as being one of the dreaded diseases in the days before antibiotics... it was made famous in book like Little Women where I think one of the sisters, Amy nearly died of it. These days it's probably more easily dealt with than a severe influenza virus... i think SF is bacterial meaning it can be treated with antibiotics... whereas the 'flu can't.

yep, just confirmed that it is bacterial... making it very treatable.