Ramp up: This is what needs to happen for the US to reopen, according to Harvard researchers No Comments Uncategorized If the United States wants the economy to open back up — and stay that way — coronavirus testing must go up to at least 500,000 per day, Harvard researchers said. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to print (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on WhatsApp (Opens in new window)