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 Arab Republic of Egypt is a country in the northeastern corner of Africa. Ancient Egypt was one of the earliest and most important civilizations in the world. The modern country plays a key role in Middle Eastern politics. Egyptâs capital is Cairo.