Respiratory viruses like influenza virus (flu), SARS-CoV-2 (which causes COVID) and respiratory syncytial virus (RSV) can make us sick by infecting our respiratory system, including the nose, upper ...
Lung sounds are the noises a person makes as they breathe in and out, including sounds of regular breathing. However, wheezing, crackling, stridor, and other sounds can also occur, indicating an ...