Nobody can live as normal in the UK at the moment. The stay at home rule is to protect, and out of consideration for everybody else, not yourself.
And it’s not really what I was referring to anyway. I wasn’t asking what we should do now as individuals. What we should do while the stay at home rule is in place is clear: stay at home.
What I’m talking about is what kind of exit plan are we going to make as a society? If a percentage of people who catch the virus don’t remain immune to reinfection for any length of time then it complicates our exit strategy to put it mildly. Initial indications are that young and healthy people are prone to reinfection and that they get more seriously ill the second time round. If this turns out to be the case then it is a disaster in terms of trying to get things back to normal and the economy going again. Because the very people who might have hoped to emerge first (those who already had the virus, and young and healthy people) may in fact be at risk. Plus it may mean a vaccine is much more complicated to produce, and may only work for limited periods, if one can be made.
So what do we do?
Maybe we all need to wear masks, social distance, test regularly, and isolate infected people, as they do in South Korea. It would involve huge adjustments in how we live our lives, even when we go back to “normal”.
Or is there any hope that a new technology (nanotechnology, or something) that seek out and can destroy the virus. Or a drug therapy so effective that infection causes no risk? Maybe scientist can come up with something in the absence of either effective natural or vaccine immunity in the population.
It’s a worst case scenario, and hopefully long term immunity to the virus is possible. But given the possibility this might not be the case it’s prudent to begin considering other options now.