Stay up to date with notifications from The Independent Notifications can be managed in browser preferences. All News Sport Culture Lifestyle Hantavirus cases continue to be monitored Dr. Stephen Kornfeld, a retired oncologist and passenger on the MV Hondius cruise ship, tested positive for hantavirus after offering medical assistance to sick individuals during the voyage. Kornfeld experienced flu-like symptoms, including night sweats, chills, and fatigue, in early April on the ship, where at least three passengers have died from the virus. Currently in a biocontainment unit at the University of Nebraska Medical Center, Kornfeld is awaiting further test results after one lab returned a "faint" positive result while another was negative. The MV Hondius began its remote voyage from Argentina to Cape Verde on April 1 with 147 passengers, including several Americans.…