God can't "heal our land" unless he's already punished us for our sins by sending sword, famine, and plague.

God made promises to Israel that don't apply to the church. God promised Israel that if they were obedient he wouldn't inflect on them the diseases that he inflicted on the Egyptians. God makes no such promise to the church.

Most likely the corona virus is one of the warning signs of the Last Days. Just like the billions of locust eating everything in site from east Africa to east Asia.