Chapter 1: The Microbial World and You - Los Angeles Mission College

• Leading killer of world’s infectious diseases: • 3 million die worldwide every year. • Over 1 million killed in U.S. between 1930 -49. • One out of three people infected worldwide. • In U.S. 10 million people are presently infected, but only 5% will develop active disease. • Most healthy individuals can contain infection. ................
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