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.
The Mediterranean Sea to the north of Egypt and the Red Sea, the Gulf of Suez, and the Gulf of Aqaba to the east endow the country with a coastline stretching over 1820 miles in all. Egypt covers an area of 386,660 sq mi and is the 30th largest country in the world.eography of Egypt: Egypt is located in the northeastern fringes of Africa and shares international boundaries with Libya to the west (692 miles), Sudan to the south (791 miles), and Israel to the north-east (165 miles).