Measles is a highly contagious disease and can cause pneumonia, encephalitis (swelling of the brain) and death. It spreads through the air when an infected person coughs or sneezes. If not immunized, 9 out of 10 people exposed to the infection will contract it.
The Challenges of Securing the Northern and U.S.-Mexico Borders
Introduction The United States Department of Homeland Security (DHS) was initially created to combat the growing threat of transnational terrorists....
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