While acknowledging (finally) that re-opening the economy and lifting some of the social distancing restrictions is not really his decision, President Donald Trump gave US governors a clear message on Thursday: time to start getting the country back to normal within the next couple of weeks.

Unfortunately, we are far from being able to do so without risking a major resurgence of Covid-19.

Even if we assume that sometime this summer — maybe June, perhaps as late as August — the first wave of Covid-19 will have tapered down, the world will likely see a second wave of the deadly virus in the fall or winter, perhaps extending into the early months of 2021.