He said that after 70 days the number of new cases drops to almost zero, not that it gets tired. Not that it matters as he’s modeling what is happening, not the why, but if you want a speculative explanation, here’s one:
The virus is more contagious and less dangerous than it’s made out to be, so after 70 days there’s a strong herd immunity and new cases drop to near zero. The crux is that we never realized it because most people became immune without ever showing symptoms and were never tested.
He said that after 70 days the number of new cases drops to almost zero, not that it gets tired. Not that it matters as he’s modeling what is happening, not the why, but if you want a speculative explanation, here’s one:
The virus is more contagious and less dangerous than it’s made out to be, so after 70 days there’s a strong herd immunity and new cases drop to near zero. The crux is that we never realized it because most people became immune without ever showing symptoms and were never tested.