A: The main cause of rapid population growth is when there are more births than there are deaths, which is referred to as a natural increase. Other causes of ... Full Answer >
Spanish flu (1918-1919). The influenza pandemic of 1918-1919 killed more people than the World War I, at somewhere between 20 and 40 million people. It has been cited as the most devastating epidemic in recorded world history. Known as Spanish Flu or La Grippe the influenza of 1918-1920 was a global disaster.
Nationally six children have died, this week's CDC report shows. This year the predominant flu strain in the United States is H1N1, the same one that caused the international pandemic in 2009-2010. The CDC estimates that 284,000 people died worldwide during that flu season.