It all depends on how quickly an effective medication appears. If a medicine is introduced within 3 months, the economy could see a V-shaped rebound. Otherwise, the world will enter a prolonged recession.
The world is in the hands of the pharmaceutical companies more than ever before.
The money ($2.0 Trillion) will have nowhere to go (invest) but gold, when people come out of their bunkers to face an economy different than before as heaven and earth, if there still be an economy at all.