Some discussion of "natural immunity." Not terrible news, but not what we have hoped.
Summary: (The longer reasoning is at the link.)
Ashish K. Jha, MD, MPH @ashishkjha.
So let's be clear about a few things
Is infection-induced immunity real?
Does it help prevent future infections/hospitalizations? Probably...for a while
For first 90 days or so? Almost surely. Beyond that? probably not that much.
Infection-induced immunity is helpful but really doesn't seem to last that long And as virus becomes endemic you are looking at constant reinfections.
Or you could just get vaccinated and avoid all the heartache and misery of having to get infected over and over again.
Among our friends who inform themselves, we have been hearing that vaccination immunity starts to slowly wane at about six months, which is twice as long, and also (probably) goes down more slowly. So somewhere between 2-4 times better, without having to risk the consequences of having the disease. But I defer to better information if you have got it.