The rest, as they say, is history, as Corona was shot in Vancouver before COVID-19 had grown from a regional catastrophe into a worldwide pandemic. Between the early head start this film had on anyone trying to make a film about the coronavirus crisis, and the indie nature of the movie, it’s not hard to see how even without any advanced knowledge, Corona was finished in time to win the race.
Article source: https://www.cinemablend.com/news/2493654/theres-somehow-already-a-finished-coronavirus-movie