Vax more protective against COVID-19 than natural immunity: study
COVID-19 vaccination offers five times the protection of natural immunity, US research suggests.
The finding underscores the importance for people who have recovered from the infection to still undergo vaccination, says the Centres for Disease Control and Prevention (CDC) which funded the funded study.
The researchers reviewed the vaccination status of more than 7300 adults who had been hospitalised with COVID-like illness
They looked at rates of laboratory-confirmed SARS