The additional mutation of the new delta variant was first detected in Sweden in Uppsala County last week.

- And it is a person who originally got it in Portugal and it has since spread to Västmanland, says Jan Smedjegård, Infection Control Doctor at Region Västmanland.

According to the infection control doctor, the people of Västmanland do not need to worry.

- The people of Västmanland do not need to be worried based on the knowledge we have so far.

Mutations happen all the time.

This is something we have to deal with continuously, says the infection control doctor.

In the clip, you hear Jan Smedjegård tell more about how protected you are and how the region is working forward now.