Hmm. The flu shot is made from killed virus; there is no way people can spread the flu by getting a shot. I'm guessing they didn't want recent vaccinees around him because it takes about 2 weeks to mount an immune response, and they could have been exposed to the flu during that time. I think that people can spread the flu before they have symptoms. So the only way to protect your son from nocosomial flu infection is to keep anyone who might have it or be exposed to it away from him.
While it would be beneficial for your son to have a flu shot, it would still take two weeks for his immune response to fully kick in, so the hospital would still have to take those precautions even if he had the shot on his first day there.
I’d guess you’re correct. It was pretty serious invasive surgery. He was blessed to have bounced back pretty quickly.
He’s taking full advantage. He has some lifting limitations for a few weeks so he can’t load the car to go to Grandma’s at Christmas.
It's NOSOCOMIAL. Not whatever you wrote.