Since massive snowstorms have blanketed the United States, blood supply levels across the country have dropped substantially.
The American Red Cross reported last week that national supplies have hit a 10-year low, with more than 23,000 donations going uncollected because of severe weather.
Without sufficient stores of blood, hospitals may not be able to save lives when patients need transfusions.
The organization is issuing an urgent national appeal to encourage Americans to help replenish the supply in their communities.
Use to Give Blood Countdown app on Facebook to track your donations and get reminders when you can give again.
You can also help out by organizing a community blood drive in your area.
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