How will airlines get flying again?

Aviation is the most global of global industries. It employs millions of people, underpins the livelihoods of tens of millions more, and acts as part of the central nervous system of international business and leisure.
Yet now vast parts of the network have been shut down as a result of the coronavirus pandemic. The number of daily flights has fallen by 80% since the start of the year, and in some regions nearly all passenger traffic has been suspended.
Source: BBC News