Here in Canada (Ontario) we are seeing the effects of it. We have received notice from one builder that they are only allowing one trade on site per day and another builder who has stopped all interior trades as of end of day today (March 20th). I am guessing by the end of next week all sites will be shutdown or trades will voluntarily stop going to site to minimize interactions with others.

Our office is closing and we will be working from our homes. We have left the decision to our techs if they want to continue working with one already choosing to take the time off.

Luckily I have programming and quoting that I can complete at home for the time being.