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Because blood donation is not done in private, it is by definition a “social” act [4]. It is not surprising that social factors and issues have a strong influence on blood donation. Social norms of the community affect donation behavior. For example, general publicity about blood donation in the community creates the perception that blood donation is an active part of the community, thus setting the stage for positive decisions by individuals to donate. This, together with “intrinsic” motivational appeals, builds a community norm for blood donation.

Volunteerism plays a major role in blood donation. A sense of social connection is gained, a feeling of helping others, and a history of volunteerism in the family or during their school years characterize blood donors [10].

The differing factors of social media’s influence on blood donation cannot be understated [35]. Most blood collection centers now have a dedicated strategy for social media representation and recruitment. Many centers turn to these media in times of inventory crisis, to contact engaged donors to turn out to drives and fixed sites. Because centers are doing with less financially, they can get messages out to donors in large numbers, many times at no cost. This is especially useful in expanding drive hours, or in the event of adverse conditions closing or canceling a drive or closing a center (early).