It is transplanted routinely to treat a variety of blood and bone marrow diseases, blood cancers, and immune disorders. More recently, stem cells from the blood stream (called peripheral blood stem cells) and umbilical cord stem cells have been used to treat some of the same blood-based diseases
A. cerebellum
B. medulla oblongata
Answer:
well 5% around US so it would affect alot of people in a way because if People don't get the vaccine people will be affected
