A patient (R) with symptoms of infection by Influenza A (H1N1) virus, receives from a doctor medication at a first-aid post in Sao Paulo, Brazil, on August 2009. People who die of swine flu contract a "rapidly fatal" form of the disease and tend to die of lung injury, although it strikes different people in different ways, an autopsy study showed Thursday.
(AFP/File/Mauricio Lima)