So far this year, Mongolia has had 22 suspected plague cases, six of which have been confirmed with laboratory testing.
Bubonic plague is a potentially deadly disease caused by the bacteria Yersinia pestis.
"Risk for getting plague is extremely low as long as precautions are taken," according to a statement from Colorado health officials, which also provided a list of safety measures that stressed the importance of staying away from wild animals.
In Mongolia, at least one person dies from plague every year, despite public health campaigns warning people to avoid eating or coming into contact with marmots.
The plague is caused by the Yersinia pestis bacteria.
It is currently not clear how the individual became infected.
Two of the boys had been subjected to artificial skull deformation.
A man and his pregnant wife died from the disease after they ate an infected marmot.
The drill involves all branches of the military, as well as deployments from China and Mongolia.
To escape the oppressive heat, each summer the Liao emperors would move the royal family into the mountains.
The discovery changes our understanding of power dynamics among the region's empires long ago.
India is concerned that China is building a string of alliances that surround it, kicked off with its base in Djibouti on the northwestern edge of the Indian Ocean.
A new mapping system divides the world into 57 trillion geotagged locations, each with a unique three-word name.
Among the finds was an incredibly rare 70-million-year-old dinosaur skull.
Research shows 11 leaders - including Genghis Khan - could be the "founders" of millions of Asian men alive today.