There were between an estimated 39 million and 80 million cases of H1N1 from April through Dec. 12, 2009, and about 7,880 to 16,460 H1N1-related deaths. Source: CDC

There is no accepted method of predicting when, where and how great in magnitude an earthquake will occur. Source: U.S. Geological Survey

The deadliest recorded earthquake in history killed 830,000 people in Shensi Province, China, in 1556. Source: U.S. Geological Survey

On Nov. 3, 1983, President Ronald Reagan signed into law a bill declaring that the third Monday of January, starting in 1986, would be recognized as the Martin Luther King, Jr. national holiday. Source: The King Center

Haiti declared its independence from France on Jan. 1, 1804.  Source: CIA World Factbook

Thirty-eight percent of Haiti’s 9,035,536 people are aged 14 and younger. Source: CIA World Factbook

In Haiti, the poorest country in the Western Hemisphere, only 20 percent of the population lives above the poverty line.  Source: CIA World Factbook

Haiti is slightly smaller than the state of Maryland. Source: CIA World Factbook

About 25 percent of adults aged 19 to 64 have ever received a pneumococcal vaccination, and 60 percent of adults aged 65 years and older have received the vaccine. Source: CDC  

The largest category of salt sales by use in the U.S. is highway salt. Source: Salt Institute