Sweden opted against a lockdown when it came to measures against spreading Covid-19. Observers watched the country closely, to see whether enough of the population would eventually become immune to the disease. The strategy has arguably led to one of…
![U of M joins national network studying COVID-19 immunity U of M joins national network studying COVID-19 immunity](https://www.vitaminrush.com/wp-content/uploads/2020/10/1603024926_maxresdefault-1170x508.jpg)