The general consensus seems to be that we will go through a period of varying levels of restrictions from now until a vaccine is invented.
Given the likely crowd levels, Broncos games may be able to go ahead bar under the strictest periods but: -
How many other teams will be left standing? (Assuming Broncos are.)
Will people be willing to travel by train, tube etc to watch sport?
The situation is extremely serious for many sports clubs. Ironically our funding model, subsidised by a rich man who has his money in the bank and is retired so presumably won't need to pull the plug to bail out his main business(es) - may work in our favour. Obviously if he pulls his funding, given the lack of alternative funding coming in he's presumably facing a bigger hole than anticipated, it's probably goodbye.
However, I can see stricter salary caps coming in after this and that may cause problems.
It's inevitable the fall out from this will be huge, I don't think anyone really knows in quite what way it will impact yet.