Do not refile 2019. See this:
IRS Backlog: 2.4 Million 2019 Tax Returns Still In Pipeline (forbes.com)
Also see:
Have a stimulus check problem? Better not call the IRS. Do these things instead (cnet.com)
Stimulus check sent to wrong bank account: what to do (businessinsider.com)
What led to IRS backlog: ‘Thin workforce,’ new pandemic relief programs | Federal News Network
