Natural Immunity Better Than Protection From COVID-19 Vaccination: November 2023 Study
People with protection against COVID-19 following recovery from the illness were better protected than those who received a COVID-19 vaccine, according to a November 2023 study ( Nature 2023 ). People who received a vaccine were nearly five times as likely as the naturally immune to test positive for COVID-19 during the Delta era and 1.1 times as likely to test positive for COVID-19 during the Omicron era, researchers in Estonia found. The vaccinated were also seven times as likely to be admitted to a hospital for COVID-19 amid the spread of the Delta variant and two times as likely to be admitted to a hospital during the Omicron period, when compared with the naturally immune, the researchers found. "Our study showed that natural immunity offers stronger and longer-lasting protection against infection, symptoms, and hospitalization compared to vaccine-induced immunity," Dr. Anneli Uusküla, with the Department of Family Medicine and Public Health at the University of Tartu, a