Blood supplies across the nation and region have reached critically low levels and donations are urgently needed to continue to help critically ill patients everywhere.

To schedule a blood donation, call 1-800-B-A-DONOR (800-223-6667) or schedule an appointment online at GIVEaPINT.org.

•LVH, Salisbury Township: 8 a.m. to 4 p.m. July 7.

Blood donation facts:

•O-positive is the most common blood type and one in three people will need this type of blood transfusion.

•O-negative blood, the universal blood type, is used to treat patients in emergency situations when hospital staff don’t have time to determine an individual’s blood type.

•About 450 pints of blood are needed every day in the Pennsylvania-New Jersey region served by Miller-Keystone Blood Center, the supplier of blood products for LVHN and 28 other hospitals and health networks.