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.
(See Economy of Africa .) The sub-Saharan African countries form the bulk of the ACP countries. The population of sub-Saharan Africa was 770.3 million in 2006. The current growth rate is 2.3%. The UN predict for the region a population of nearly 1.5 billion in 2050.ub-Saharan Africa is a geographical term used to describe the area of the African continent which lies south of the Sahara, or those African countries which are fully or partially located south of the Sahara.