Experts warn that plague, a lethal disease of a bygone era, appears to be cropping up again, mostly in parts of Africa. They worry the illness is easily confused with other diseases and failure to recognize and treat the condition leads to rapid death. VOA’s Jessica Berman reports. The Black Death of medieval Europe, a type of plague, killed 20 to 30 million people before it was over 300 years later. Experts say plague is beginning to emerge as a health menace in Africa. Full Story