New research may provide more insight into how many Americans were sickened by COVID-19.
The research pertains to the earliest days of the pandemic when access to testing was more limited.
It estimated that at least 2 million people called out from work due to illness in mid-April.
However, only an estimated 920,000 people called out sick in April 2019 reports Gizmodo.
The spike in work absenteeism lines up with the smaller recorded spikes of cases and hospitalizations.
