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 is not a continent. It is a country that is mostly on the  continent of Africa but has a small portion in Asia. 3 people found this useful. Edit. Share to: Prioktan 918. 730,487 Contributions. My major at university concerned the history of the Islamic World with a particular emphasis on Middle Eastern History.