New York malls will need high quality air systems that can filter out the coronavirus before they will be allowed to reopen, Gov. Andrew Cuomo said on Monday.

“Any malls that will open in New York, large malls, we will make it mandatory that they have air filtration systems that can filter out the Covid virus,” Cuomo said at a press briefing.

High efficiency particle air filters, or HEPA filters, have been shown to help reduce the presence of Covid-19 in the air, according to a presentation from Cuomo.

Read more at CNBC.