Influenza A More Condition_symptoms Are Adults Who Were Fed Formula As Infants More Likely To Die When Infected With H1N1 Influenza?

Are adults who were fed formula as infants more likely to die when infected with H1N1 influenza? - influenza a more condition_symptoms

Perhaps one reason why some healthy adults die H1N1, the formula fed as infants. Perhaps this is the breast milk protects against viral infection in adulthood. All research has brought all of this?