Originally published by our sister publication Infectious Disease Special Edition
By Ethan Covey
A CDC report determined that 96.4% of U.S. residents ages 16 years and older have SARS-CoV-2 antibodies, from previous infection or vaccination.
Additionally, almost half of the population has hybrid immunity, derived from both previous infection and vaccination, which has been shown to provide increased protection over infection or vaccination alone. However, hybrid immunity remains lowest among