Booster Vaccine – Latest Information A coronavirus (COVID-19) booster vaccine dose helps improve the protection you have from your first 2 doses of the vaccine. It helps give you longer-term protection against getting seriously ill from COVID-19. Who can get a COVID-19 booster vaccine Booster vaccine doses will be available on the NHS for people most at risk from COVID-19 who have had a 2nd dose of a vaccine at least 6 months ago. This includes: people aged 40 and over people who live and work in care homes frontline health and social care workers people aged 16 and over …