Existing Products. As the application of polysaccharide protein conjugate vaccine technology is limited to a subset of bacteria, there are a limited number of polysaccharide protein conjugate vaccines currently in use. Examples of successful polysaccharide protein conjugate vaccines are listed here.
Only seven African countries are not geopolitically a part of Sub-Saharan Africa: Algeria, Egypt, Libya, Morocco, Tunisia, Western Sahara (claimed by Morocco) and Sudan, they form the UN subregion of Northern Africa which also makes up the largest bloc of the Arab World.ub-Saharan Africa is, geographically, the area of the continent of Africa that lies south of the Sahara Desert.
Answers. 1  The country of Egypt is located in the north eastern region of Africa. It is bordered on the north by the Mediterranean Sea. In the south there is a mountain range which receives snow. The climate of Egypt is dry and arid because the Sahara Desert crosses it. One of the major geographical features of this area is the Nile River, which runs northward toward the Mediterranean Sea. One of the most important features of the Nile is that it makes a 320 km (200 miles) bend in the Sahara Desert.