Videos: 1 September, 2023 – Natural immunity 27 times better Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Naturally Acquired Immunity versus Vaccine-induced Immunity, Reinfections versus Breakthrough Infections: A Retrospective Cohort Study Waning of protection, conferred by 2 doses of the BNT162b2 vaccine, begins shortly after injection, becomes substantial within 4 months. We examined long-term protection … Continue reading Natural Immunity