When you donate blood , you have the potential to help hospital patients across the country.If a person’s blood levels fall due to an accident or illness, or if their blood is not functioning properly, there will not be enough oxygen or other nutrients to maintain their vital organs. Donating whole blood can help these people. A similar process to whole blood donation is apheresis. This provides other blood components, such as platelets. A donation of platelets can help people who have issues related to clotting. It may also provide antibodies to help fight a disease, such as COVID-19. Many people believe that most blood is needed after major disasters. However, daily personal emergencies and ongoing medical needs of thousands of patients require a constant and ready blood supply. It’s the blood already on hospital shelves that saves lives.