Moderna, Pfizer COVID Vaccines Activate Key Immune System Players, Despite Variants
TUESDAY, July 6, 2021 (HealthDay News) — Key immune system cells in folks who’ve had COVID-19 or the Moderna and Pfizer vaccines are able to recognize and mount a defense against highly contagious coronavirus variants, new research shows. In both groups, CD4+ “helper” T-cells and CD8+ “killer” T-cells can recognizeContinue Reading