Red blood cells are the most abundant cells in the body. It has long been known that when red blood cells break down or anemia occurs due to bleeding, the hormone erythropoietin (EPO) increases, leading to the proliferation of immature cells (erythroblasts) that eventually become red blood cells, thus restoring the red blood cell count.
Older Adults Should Get Another COVID Booster, CDC Advisors Say
Adults ages 65 and older should receive an additional dose of the 2023-2024 COVID-19 vaccine this spring, according to CDC’s Advisory Committee on Immunization Practices