Type O negative blood is extremely important. Only 9 percent of people have it, but 100 percent of the population can receive it.
Michigan Blood says the 60 Michigan hospitals they serve are currently experiencing a shortage of Type O negative blood.
Jared Ward won the 2015 Fifth Third River Bank Run with a time of 1:14:45 on Saturday, May 9.
Christo Landry finished in second place, just 16 seconds behind Ward. Landry's run may be most remembered for his bloody shoes and feet, the result of a "rookie move".
The American Red Cross is making an urgent plea for people of all types to give blood as it faces what it is calling a “looming shortage”.
This winter's tough conditions have closed schools and businesses.
It has also caused a blood shortage in West Michigan, creating an immediate need for blood donors.