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.
Reportable diseases. Reportable diseases are diseases considered to be of great public health importance. Local, state, and national agencies (for example, county and state health departments or the US Centers for Disease Control and Prevention) require that these diseases be reported when they are diagnosed by doctors or laboratories.