Definitely not during a global pandemic, which is the whole fucking point.

29 states have declared a state of emergency due to COVID-19...

It's not so much about certifying it as disease free and more about certifying it as unsafe.

> While you’re at it, file a complaint about them making you drive to work in a car.

If your employer forced you to drive through floodwaters, you'd probably have a valid OHSA complaint.

> When is your workplace ever certified disease free?

Never, but taking these actions in this situation is definitely negligence at best. It's like running a hospital forcing people to work without providing soap or hand sanitizer.