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.
What is the highest and lowest point of New Mexico? Wheeler Peak near Taos at 13,161 feet above sea level is New Mexico's highest elevation and Red Bluff Reservoir at 2,842 in the southeast corner of the State is the lowest poiâ¦nt.