Because there are a large variety of jobs to be done underwater, commercial divers may also need to acquire other skills, like underwater welding, photography, or construction, depending on the type of work they'll be doing. In some companies, on-the-job training by more experienced divers also occurs.
Causes of Adenitis. Adenitis is usually caused by a viral or bacterial infection. Adenitis: Related Medical Conditions. To research the causes of Adenitis, consider researching the causes of these these diseases that may be similar, or associated with Adenitis: Sialoadenitis. Mesenteric adenitis.
Infectious bronchitis usually occurs in the winter due to viruses, including the influenza virus. Even after a viral infection has passed, the irritation of the bronchi can continue to cause symptoms. Infectious bronchitis can also be due to bacteria, especially if it follows an upper respiratory viral infection.