Tegnell also claimed up to 20 percent of residents in Stockholm, the capital of Sweden, have been infected with the virus, noting “We believe that we have an immunity level, if I remember rightly, somewhere between 15-20 percent of the population in Stockholm.
“This is not complete herd immunity but it will definitely affect the reproduction rate and slow down the spread (of a second wave),” he added.
A good video if you have time to watch......
Note they let the doctor answer the question not like the media here
https://www.youtube.com/watch?v=bfN2JWifLCY