Published: Feb 11, 2012 6:52 PM EST
Updated: Feb 11, 2012 6:59 PM EST

ORLANDO, Fla. - Florida's Blood Centers are making an urgent appeal for O-negative blood donations.

Officials say the state's supply of O-negative blood has reached critically low levels.

O-negative is considered the universal blood type. It can be given to nearly any patient, regardless of their blood type. O-negative is considered critical for trauma patients, premature babies and emergency surgeries.

Florida's Blood Centers are encouraging O-negative donors to visit a donation site.