Frontline healthcare workers are among those who will receive invitations.
More than a million people in England will be sent an invitation over the next few days, to get a coronavirus booster jab.
Those who had their second vaccine at least six months ago are eligible.
Anyone aged 50 and over, people living and working in care homes and frontline health and social care staff are among those who'll be contacted.
More than a million people in England will receive an invitation to book their COVID-19 booster jab https://t.co/owCv8XHMj0
— Sky News (@SkyNews) September 19, 2021
