As the plan now stands, bookings open on September 1 if you are 65 and over for the fifth dose - and a few weeks into September, bookings are expected to open for everyone aged 18 and over to take the fourth dose.

Those who are over 80 will receive an invitation, while others can book in themselves.

- But we understand that it is more difficult to feel motivated to get vaccinated when the spread of infection is lower, says Eva Jansson, director of operations for the vaccination unit at Region Uppsala.

The vaccine that Region Uppsala has access to today does not protect against certain new variants of covid-19, but new vaccines are approved in Sweden and may be available in the not too distant future.

In the clip: Hear Eva Jansson, head of the vaccination unit at Region Uppsala, answer three straight questions about why another dose of vaccine is recommended.