Neglected diseases

Neglected diseases mainly affect people in developing countries.  They are the diseases which do not represent a commercially viable market for pharmaceutical companies, because those affected do not have the purchasing power to afford treatment.  Companies therefore shirk away from investing into risky and expensive research and drug development for these conditions.    The most neglected diseases are the obscure afflictions which many of us have barely heard of – they include human African trypanosomiasis (HAT or sleeping sickness), South American trypanosomiasis (also known as Chagas disease), Buruli ulcer, dengue fever and leishmaniasis, schistosomiasis, lymphatic filiriasis.  These diseases fall...