Millions of employees who don't have the option of working from home also can't afford to call in sick.

Technology and internet access have hampered remote workers' productivity, as have other factors.

The report updates a March 30 analysis commissioned by AHIP, and posits a reduction in COVID-19 costs.

Olivia Mitchell, a professor at the Wharton School, says that COVID-19 has seriously damaged defined benefit pension plans.