Infections, it's not uncommon especially in people who are elderly. people in their 70s it does happen. and sometimes it's not even recognized early because it may not have much in the way of symptoms early. which is why it can progress a urinary tract infection to something that can spread into the bloodstream, that becomes zero sepsis. specifically how he got it or what the specific bacteria is, i'm not sure. but they're giving him the antibotics and he seems to be responding to that. it seems like the right treatment for this particularly bacteria, but it happens was sort of the answer i go...