After CW3, the next level of the Warrant Officer ranks is Chief Warrant Officer 4 (CW4). CW4's stand even more experienced tactical and technical experts in their specific military craft than CW3's.
Cancer is a disease in which cells in the body grow out of control. When cancer starts in the lungs, it is called lung cancer. Lung cancer begins in the lungs and may spread to lymph nodes or other organs in the body, such as the brain. Cancer from other organs also may spread to the lungs.When cancer cells spread from one organ to another, they are called metastases.ung cancer begins in the lungs and may spread to lymph nodes or other organs in the body, such as the brain. Cancer from other organs also may spread to the lungs.
Viral infections are spread from person to person-they are a contagious disease. Usually, people develop a viral lung infection by first developing a cold. Honor Society of Nursing (STTI) answered. Viral infections are spread from person to person-they are a contagious disease. Usually, people develop a viral lung infection by first developing a cold. People can catch viral lung infections and the colds that cause them in two main ways.