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.
Sub-Saharan Africa is, geographically, the area of the continent of Africa that lies south of the Sahara Desert.ub-Saharan Africa is, geographically, the area of the continent of Africa that lies south of the Sahara Desert.