Memorial Blood Centers has issued an urgent call for type O+ and O- blood donations. A shortage has been affecting local hospitals, according to officials, with Type O blood shortages being reported ...

The following is a press release from the Northern California Community Blood Bank: The Northern California Community Blood Bank urgently needs donations of both type O- and O+ blood, as supplies have ...

Previous blood drive coverage above. DAYTON, Ohio (WDTN) – The Miami Valley blood supply is in jeopardy. There is a critical need for both O+ and B+ blood donors. The Versiti Blood Center is ...

Adam Taylor is affiliated with the Anatomical Society. You are probably aware of the two main blood group systems: the AB system and the rhesus system. Under the AB system, there are four main blood ...