Polysaccharide protein conjugate vaccines are primarily used for the prevention of bacterial infections. Some pathogenic bacteria are covered with a polysaccharide capsule that primarily helps protect the bacteria from phagocytosis, or uptake of the bacteria by immune cells.
Egypt is part of the Continent of Africa, and is situated in the north eastern part of Africa. Egypt is located on the African continent, but is included in maps of the Middle East, because of its Arabic influence. Egypt is in the Continent of Africa.
Egypt of a country in the middle east. Egypt is a country located in the Middle East , specifically in North Africa . it is considered to be a major power in North Africa . Iâ¦t has the pyramids which is one of the  Wonders of the World  .