People were injured, and thankfully no one, that we know of was killed and it happened just after polls close and officials are not saying whether the blast is linked to the capital's recent unrest. >> jamie: even more topics today from dr. rosenfeld, who says there is a breakthrough development in the fight against hiv. doc, tell us. >> hiv/aids remains one of the major killers worldwide. especially in under developed countries. there is no treatment for it, no cure for it, there are me indications, which can slow its progress and you should -- you have been exposed, your doctor will surely g...