Most people are naturally armed against SARS-CoV-2, study finds

The majority of the population can produce neutralizing antibodies against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in severe cases of coronavirus disease 2019 (COVID-19), according to a new study. Moreover, the results support the use of combination antibody therapy to prevent and treat COVID-19.

source https://www.sciencedaily.com/releases/2021/02/210211144423.htm