We’re well into September, and the American Red Cross is still looking for blood donors. The summer months are usually a slower time for donations, and even now, as summer is wrapping up, the need remains.

Type O can be used when a patient’s blood type is unknown, so that type is of particular need. Red Cross spokesperson Sharon Watson tells The Big Z blood and platelet donors are critically needed:

If you want to donate blood, you can find information on where and how to do so at www.RedCrossBlood.org, or you can download a free Red Cross app, which uses your location to allow you to find the nearest donation center near you.