Italian doctors in Northern Italy warn their European colleagues to prepare for 'problems they had never imagined before'. Sky's Sally Lockwood reports. SUBSCRIBE to our YouTube channel for more videos: null Follow us on Twitter: https://twitter.com/skynews Like us on Facebook: https://www.facebook.com/skynews Follow us on Instagram: https://www.instagram.com/skynews For more content go to http://news.sky.com/ and download our apps: Apple: https://itunes.apple.com/gb/app/sky-news/id316391924?mt=8 Android https://play.google.com/store/apps/details?id=com.bskyb.skynews.android&hl=en_GB Sky News videos are now available in Spanish here/Los video de Sky News están disponibles en español aquí https://www.youtube.com/channel/UCzG5BnqHO8oNlrPDW9CYJog