After the local Islamic State affiliate attacked his farm, Mumbere Saidi fled to the gold mines in northeastern Democratic Republic of Congo, trekking 200 miles across one of Africa’s most dangerous war zones. He found backbreaking work in a remote mining town where he panned for gold. When times were good, Mr. Saidi, 27, sent a few dollars back to the parents he left behind. When they were bad, he struggled to feed his wife and baby daughter. At least he felt safe, until last week, when an invisible enemy struck Mr. Saidi inside his home. “The disease got him,” said his brother, Kondu Ganda, also a miner, using a ... (full story)