The Effective Health Care (EHC) Program has issued an evidence-based report on antibody response following novel coronavirus (COVID-19) infection and the implications for immunity. EHC notes that the estimate of immunity conferred by previous COVID-19 infection was an aggregate range of 87%. To read the EHC announcement and summary of its evidence-based report on antibody response to COVID-19 infection, and to access the complete report, use the link below.
https://effectivehealthcare.ahrq.gov/products/immunity-after-covid/rapid-review