No, it does not mean staying away from Facebook, Instagram and other social media platforms, but instead it's a term given to categorize certain actions taken by public health officials to stop or slow down the spread of a highly contagious disease.
coronavirus
Spammers and Fake News Journalists fully well know that the world is craving information regarding COVID19 and whoever is the first to publish will get the most views and shares. This is regardless of the content and whether it has been verified or not.