Pneumonia happens to everyone, but when does it become fatal?

(Natural News) About 200 million cases of viral pneumonia occur every year, according to a recent review published in The Lancet. Researchers from Turku University Hospital in Finland and the University of Otago in New Zealand discussed several causes of viral pneumonia and how the infection is linked to other respiratory diseases, such as Severe Acute Respiratory Syndrome (SARS) and avian influenza. Most...