Since May, the type O blood supply has decreased and recently dropped to a two-year low.

Vitalant faces a shortage of type O blood, prompting an urgent call for donors. The versatile O blood type is crucial for ...

Vitalant, a nonprofit blood bank, says its type O blood supply has dropped to a two-year low and is urging donors to schedule ...

Have Type O blood? Consider rolling up your sleeve and helping with a nationwide blood shortage.

SAN ANTONIO – Type-O blood levels are critically low in San Antonio and the South Texas Blood and Tissue is asking the community to help. STBT officials said they need more than 100 units of Type-O ...

The San Diego Blood Bank put out a call Monday for donors with type O negative and O positive blood, as the bank has reached "critically low" levels of both. Type O negative is the universal blood ...

HOLYOKE, Mass. (WWLP) – Amid a national blood shortage, the Holyoke Medical Center on Monday announced they are looking for the public’s help in donating type O positive blood. More than 75 percent of ...