There is no such thing as minor bleeding if it occurs in the brain. At the age, the child they will not be able to understand the effect said bleed will have on the child. They are too young, they can not monitor the behavior of deficits as they would in other ages children. They can not even pick up on body weakness as littlen can not even stand up to them on his own to a certain stage.
So it can take a year or two until the child begins to show signs of developmental delay. But the effects if the bleeding will occur and what is the bet of this anti-VAX mom and aunt blame everything on the stroke of vitamin K, which saved the life of the little Kido as why the child has problems.