Respiratory symptoms can occur with Mycobacterium avium disease, and untreated disease can lead to serious consequences such as lung failure and even life-threatening conditions. Mycobacteriosis ornithosis is a zoonotic disease, an infectious disease, and can involve multiple organs, including the lungs, lymph nodes, bone marrow, etc.; patients may exhibit nodularity, nodular bronchiectasis, and nodular infiltrates. Mycobacterium avium can be parasitized on showerheads in bathrooms and may be infected when taking a shower; patients may have cough, chest tightness, fever, dyspnea, swelling and pain in lymph nodes and bone marrow, etc.; in severe cases, lung failure may occur and may even be life-threatening. In areas where Mycobacterium avium is endemic, if you have these symptoms, you should actively seek medical attention and do not self-medicate.