Scale of Sars-Cov-2 immunity still unclear

How long can a virus keep attacking me - especially when I've been previously infected? How long do my antibodies survive in my blood? How long does a vaccine defend my immune system against an intruder?

How long does coronavirus immunity last?

The first cases of reinfection are emerging in Hong Kong, the United States and Europe. There is growing evidence that immunity to the new coronavirus after infection may be short-lived.

Coronavirus immunity: What do we know?

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 the highest per capita death tolls in Europe, calling into question the Scandinavian country’s decision