Will Office Building Screening For Coronavirus Before Allowing Workers to Enter the Building Become a Reality?

With Twitter telling employees to work from home and Salesforce to tell it’s 50,000 employees to avoid non-essential travel is it too farfetched to think that someday soon there will be a low-cost effective and immediate screening test for the Coronavirus that office employees and visitors will have to pass in order to enter office buildings? Perhaps something they can breathe in that immediately tests for positive or negative, like they currently do for alcohol testing? I remember the first weeks after 9/11 when it sometimes took hours to get through the security checks and screening to get into amusement parks and now this only takes a few minutes…