The individual is recovering after traveling from Africa, where an outbreak that has killed hundreds is spreading.

The U.S. is the sixth country outside of Africa to confirm a case of the strain, called clade I, since August.

“Death rates are expected to be much lower in countries with stronger healthcare systems and treatment options, including the ...

The Epstein–Barr virus (EBV), a member of the herpesvirus family, is best known for causing infectious mononucleosis, or ...