These infections include pneumonia, lung abscesses, and acute bronchitis. They are the leading causes of 3.4 million deaths around the world, which occurred mainly in children. Influenza also falls under this category.
Bronchitis can be acute or chronic, as well as bacterial or viral. It affects over 40 per 1000 adults each year, and consists of extreme inflammation of the major bronchi and trachea. Pneumonia occurs in a variety of situations and treatment can vary as well. It is most often caused by bacteria and is extremely dangerous with a mortality rate of 25%. Both of them can usually be cured with antibiotics, but they are very dangerous for elderly and those with immune deficiencies such as those with AIDS.
Source: http://www.therichest.com
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