Brazilian woman Mariana Santos - Costa , 24 , died after sepsis had spread . Sepsis starts as infection in one part of body , then rages out of control . Fever , big shift in blood pressure , rapid breathing , mental instability are red flags .
Brazilian model Mariana Bridi da Costa , 20 , died after sepsis infection spread . Sepsis starts as infection in one part of body , then rages out of control . Fever , big shift in blood pressure , rapid breathing , mental confusion are red flags .