Hospitals are seeing a rise in medical claims as more seniors come in for respiratory-related ailments. Seniors are especially vulnerable to respiratory problems. Just like small children, they get viral infections more frequently than most other people.This includes complications from the flu and pneumonia.One of the biggest problems for old people is pneumonia which infects the lungs.Lung tissue easily becomes inflamed in elderly people. This often occurs when particles of mold grow inside air conditioners and start to float around the room.So it is important to frequently change the filters.Normally,immune systems in healthy people successfully fight off the bacteria,but this is not so for the elderly.