Bird flu is an infectious viral illness that can spread among birds, and in rare cases, it can spread to humans. Here's what you need to know about how bird flu spreads and the preventative measures you can take, according to experts.
An Outbreak of the Ebola-like Marburg Virus Has the Global Health Community on Edge undispatch.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from undispatch.com Daily Mail and Mail on Sunday newspapers.