Design and operation of torpedo tubes installed on German U-Boats during WWII did not differ greatly from other such designs in the world. They used pressurized air to launch the torpedo and automatic venting after the launch.
These quarantinable diseases include cholera, diphtheria, infectious tuberculosis, plague, smallpox, yellow fever, viral hemorrhagic fevers, severe acute respiratory syndrome, and influenza caused by novel or reemerging influenza viruses that are causing or have the potential to cause a pandemic.
In Health. a communicable disease is also known as an infectious disease, contagious disease, or a transmissible disease. a communicable disease is one which is clinically evident (showsâ¦ characteristic signs and symptoms) and can result from infection/presence/growth of a pathogen.