Guardian Australia’s medical editor Melissa Davey looks at the difference between the immunity to Covid-19 that comes from vaccinations and boosters and that which comes naturally after recovering from infection. Overall, viewing Omicron infection as a ‘natural booster’ which makes a third vaccine dose…
![COVID-19 Immune Response](https://www.vitaminrush.com/wp-content/uploads/2022/03/1646308810_maxresdefault-1170x508.jpg)