A new strain of bird flu has infected 130 and killed 40 people in China already this year. Take a look at history's four main flu outbreaks.
The Spanish flu came on quickly. Some people felt fine in the morning but died by nightfall. People who caught the Spanish Flu but did not die from it often died from complications caused by bacteria, such as pneumonia.
The following five celebrity urban legends will likely live on long into the future, despite the fact that none of them is remotely true.
Meet the furry friends that these celebrities call their pets.