quarantine

The plane arrived from the Wuhan region of China, the center of the outbreak of the new coronavirus.

State veterinarian Marty Zaluski says they'll investigate to determine the source of the infection.

The virus damages bone marrow, lymph nodes and intestinal cells.

The virus damages the intestines, bone marrow and lymph nodes.

If they remain disease-free, the bison will be relocated to start new herds or supplement existing ones for conservation or cultural purposes.

Anyone with information about this incident is encouraged to call the Yellowstone National Park Tip Line at (307) 344-2132 or email YELL_LEO@nps.gov

The bison had been in containment for nearly two years to assure they were free of brucellosis, a disease that can cause livestock to miscarry.

Park officials expect to finish the process in the fall.

Male bison must be quarantined for a year before they can be deemed free of the disease.

The animals have tested positive for equine piroplasmosis.