The U.S. Centers for Disease Control and Prevention wants to show Americans how they can improve airflow and reduce COVID-19 transmission during an indoor gathering. 

The agency rolled out the interactive tool Wednesday as millions of Americans are set to congregate for the Thanksgiving holiday.

“If a guest visits your home, improving ventilation (air flow) can help prevent virus particles from accumulating in the air,” the agency continued. “Good ventilation, along with other preventive actions, like staying 6 feet apart and correctly wearing masks, can help…