Nathan Posner/Anadolu Agency via Getty Images (WASHINGTON) — The U.S. Centers for Disease Control and Prevention is closely monitoring an unknown disease that has killed dozens in the Democratic ...

The U.S. Centers for Disease Control and Prevention is closely monitoring an unknown disease that has killed dozens in the Democratic Republic of Congo, the agency said in a statement on Tuesday.

Over 50 deaths have been linked to an "unknown disease" in the Democratic Republic of Congo since January. Nearly half occurred within 48 hours of the symptoms' start.

Federal health officials are monitoring the outbreak of a deadly and mysterious disease in the Democratic Republic of Congo, the U.S. Centers for Disease Control and Prevention confirmed to UPI.

The U.S. Centers for Disease Control and Prevention is closely monitoring an unknown disease that has killed dozens in the Democratic Republic of Congo, the agency said in a statement on Tuesday.