The stricter advice is introduced in consultation between the Swedish Public Health Agency and local infection control to stop the spread of infection.

Advice to the population is, among other things, to avoid public transport, gyms and shopping centers.

- The most important thing is not to mix with others if you have cold symptoms, otherwise there is a risk that we have to face local restrictions, says Anders Nystedt, infection control doctor in the Norrbotten Region.

In the clip, you hear an interview with him.