Experts are warning against panic as more details emerge about a deadly hantavirus outbreak aboard a cruise ship. Dr. William Schaffner, professor of infectious diseases at Vanderbilt University Medical Center, joins CBS News with more.
Experts are warning against panic as more details emerge about a deadly hantavirus outbreak aboard a cruise ship. Dr. William Schaffner, professor of infectious diseases at Vanderbilt University Medical Center, joins CBS News with more.