1. Over 50 deaths linked to ‘unknown disease’ in Congo  ABC News
2. ‘Unknown disease’ that can kill within days leaves 53 dead in Congo  The Washington Post
3. Unknown illness kills more than 50 in north-west DRC  The Guardian
4. Unknown Deadly Illness Strikes Western Congo  The New York Times
5. ‘Unknown Disease’ That Can Kill Within 48 Hours Leaves 53 Dead in Congo, Including Children  PEOPLE

Source: Google Finance – Market News