<span>There were probably several, but it is a deadly sickness if not treated and the outbreak in the middle ages killed 1/3 of Europe. Some cures were weird things like eating crushed emeralds or drinking poison. Some symptoms included swollen lymph nodes and bleeding out in many places </span>
Energy production/acid rain<span>, nuclear power/waste, </span>air pollution<span>/climate, heavy metals, pesticides, water </span>pollution<span>, solid waste, and unforeseen accidents.</span>
India<span>, </span>China<span>, </span>Bangladesh<span>, </span>Pakistan<span>, </span>Nigeria<span>, </span>Ethiopia<span>, </span>Indonesia, and<span>Egypt</span>
