Three individuals have died following a severe hantavirus outbreak aboard the cruise ship MV Hondius that has prompted urgent contact tracing efforts.Health authorities are monitoring exposed travelers globally after a flight attendant in Amsterdam was hospitalized with suspected symptoms following contact with a passenger.The cruise operator faces criticism over delayed isolation protocols that allegedly allowed communal activities to continue after the initial fatality was reported.The vessel is currently en route to Tenerife for medical screening as the World Health Organization coordinates with national agencies to track all former passengers.