The COVID Pandemic and then recent severe weather as put such a dent in the nation's blood supply that shortages are at a critical stage.
Listen to this Disaster Zone Podcast: A National Blood Supply Crisis to get a better picture of the national blood emergency situation.
For more details on the podcast see this summary:
The United States’ blood supply has reach a dangerously low level of inventory. It has come via the impact of COVID and recent winter weather that has impacted much of the nation. In this short podcast we hear from Craig Cooper, an American Red Cross Spokesperson who explains the crisis and also how people can identify locations where they can go and give blood. It is a very safe and painless procedure. Blood cannot be stored for any length of time, thus it is another example of our “just in time” system. Blood in all its components is lifesaving. Consider becoming a donor today!