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 a country in North Africa, on the Mediterranean Sea, and is among the oldest civilizations on earth. The name 'Egypt' comes from the Greek Aegyptos which was the Greek pronunciation of the Egyptian name 'Hwt-Ka-Ptah' (which means House of the Spirit of Ptah, who was a very early God of the Ancient Egyptians).he great monuments which Egypt is still celebrated for reflect the depth and grandeur of Egyptian culture which influenced so many ancient civilizations, among them Greece and Rome. Evidence of overgrazing of cattle, on the land which is now the Sahara Desert, has been dated to about 8,000 BCE.