There are two kinds of long Covid. One is a medical syndrome, the other manifests as a healthy obsession – an urge to shed light on what happened during the pandemic crisis.

Too many questions remain unanswered: why did Sweden come out of the pandemic better than other countries without having endured a lockdown? Why were masks imposed when scientific studies repeatedly demonstrated that they were unnecessary? Why was discrimination introduced between the vaccinated and the unvaccinated when it was clear that vaccines were incapable of blocking the transmission of the infection? And why, since the lockdowns, has there been such...