"Respiratory infections" refers to illnesses that affect the organs in our body responsible for breathing, such as the lungs and airways. Full definition
It's a feline housing revolution — and it's helping stop outbreaks of upper respiratory infections in their tracks! (chewonthis.maddiesfund.org)
There are also upper respiratory infections in cats that are primarily caused by bacteria. (aspca.org)
Sometimes, what appear to be symptoms of a common cold can actually be attributed to a variety of respiratory infections caused by canine - specific viruses and bacteria. (dogs.lovetoknow.com)