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).n the early Old Kingdom, Egypt was simply known as 'Kemet' which means 'Black Land' so named for the rich, dark soil along the Nile River where the first settlements began. Later, the country was known simply as Misr which means 'country', a name still in use by Egyptians for their nation in the present day.