by Dr. Dorota Matusewicz | Aug 21, 2020 | Uncategorized
Written by James Kingsland on August 18, 2020 — Fact checked by Rita Ponce, Ph.D. at www.medicalnewstoday.com With age, the human immune system becomes less effective at tackling infections and less responsive to vaccinations. At the same time, the aging immune system...
