Even if this second wave of the virus proves to be less intense than the first, it poses no less danger to the economy. 3/6  BIS central bankers' speeches  In particular, if the public no longer sees the pandemic as a one-off event, we could see more lasting changes in behaviour than during the first wave.
Households could become more fearful about the future and increase their precautionary saving. Firms that have survived up to now by increasing borrowing could decide that remaining open no longer makes business sense.