A big part of this is the resumption of international travel. But a vaccine alone won't ensure a safe return to international travel. International travel in the age of a Covid vaccineWhen people are vaccinated before boarding a flight, it will reduce the risk of Covid-19 transmission associated with international travel. This puts something of a dampener on vaccination being the key to the safe resumption of international travel. It's likely international travel will be allowed globally in the second half of next year, once vaccination is well underway.

Source: CNN December 11, 2020 14:15 UTC