They’re not super common. I don’t see one every single time I go grocery shopping, though I would say typically there are maybe one or two recalls posted somewhere in the store at a time. Most I’ve seen at once is four, maybe a year or so ago, but they also keep the signs up for a few weeks so they didn’t happen all at once.
They do always have either a picture of the product or at least the name prominently placed, so you can glance at it to see whether it’s about something you might have bought.
This article seems to imply they’ll withdraw charges for all parties, but the statement reads like they will only withdraw charges for the people confirmed dead…? Which is it