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, officially the Arab Republic of Egypt, is a Middle Eastern country in North Africa. Egypt is geographically situated in Africa, with the Sinai Peninsula, east of the Suez Canal, connecting as a land bridge to Asia. Egypt is mother of the world cause it is consider in the mid center of the world map, look at the map and you will find that true.