- Primary courses (18 years and older)
- Most people now only need 1 first dose of a COVID-19 vaccine as their primary course. You may need 2 doses if you are at high risk of severe illness.
- Booster
- All adults aged≥75 years are recommended further doses of COVID-19 vaccine every 6 months.
- Adults aged 65–74 years without severe immunocompromise are recommended further doses of COVID-19 vaccine every 12 months and can consider further doses every 6 months based on a risk–benefit assessment.
- Adults aged 18–64 years without severe immunocompromise can consider further doses every 12 months based on a risk–benefit assessment, such as the presence of other medical conditions that may increase the risk of severe COVID-19.