The homeless is the other glaring exception to the rule. They’re not exactly pictures of health at the best of times so even a bad flu season should disproportionately affect them. But instead we only have the epidemic of octogenarians succumbing to respiratory infections, which is what octogenarians tend to do. But when you class all the respiratory infections as one thing the figures can look quite daunting. In the before times someone that died at 89 was said to have died of old age, we didn’t really split hairs about what specific ailment their diminished immune system allowed to actually finish them off because it didn’t really matter, something was going to get them due to their advanced years anyway.