Two workers at Frankfurt Airport have died and four others have been infected with malaria after mosquitoes arrived by plane in July. Malaria is a disease spread by some types of mosquitoes biting humans and, although it’s preventable and curable, symptoms can be mild or life-threatening. Frankfurt Airport said: "We have provided comprehensive information to all employees and encourage them to consult a doctor if they experience any symptoms." Tap the link in @BBCNews's bio to read more on this story. #Malaria #BBCNews