Tuberculosis (TB) Tuberculosis (TB) Active tuberculosis (TB) is very contagious. The World Health Organization (WHO) estimates that one-third of the world's population is infected with the bacteria that cause TB.
With an average elevation of 6,800 feet, Colorado is the highest state in the United States. A mountain lake outside of the skiers dreamland of Aspen, Colorado. The US is bordered to the north by Canada and Mexico to the South. With 50 states of varied sizes, US is considered the largest nation in America.
7198 feet (2194 m) Santa Fe New Mexico Santa Fe is the capital of the State of New Mexico and the highest capital city in the United States. The population is 70,297. 7165 feet (2184 m) Laramie Wyoming Laramie is the home of the University of Wyoming, the only public university in Wyoming. The population is 30, 816.