My SIL and her partner - the farmers, who raise their own turkeys - typically host Thanksgiving at their house. They've called it off this year. It ends up being 3 families and we have so many people that we take up 3 rooms, elbow to elbow at the table. Too many older and/or health-compromised people (for example, my FIL is almost 84...our other SIL's mom is just now in remission from her 2nd bout of cancer and her father has COPD from a lifetime of working around asbestos). We will somehow stop by my in-laws, at least, with a nice turkey dinner, but we won't all be together this year.
Then we usually host Christmas at our house, and while there aren't quite as many people, 17 is still a lot in our house. Our living room can barely hold us; my son and I usually end up opening our gifts from the doorway. Still elbow-to-elbow here. It's bothering my MIL, but we really don't feel we want to risk it. We'll probably do the same thing as on Thanksgiving, make a nice dinner, plate some up and take it to them with their gifts.