This is a liver disease and can affect anyone. It is transmitted through water and food. International travelers, and people who come into sexual contact with those infected are at risk. The vaccination is administered in a 2 shot series. The duration of protection is uncertain, but at least 7 years among healthy adults.
Diphtheria is a serious disease causes by poison produced from the bacteria.
It often causes heart and nerve problems. Although diphtheria is rare in the U.S., it is still a threat, since it is common in the other countries. Tetanus is a severe, often fatal disease. The bacteria that causes tetanus are widely distributed in soil and street dust, are found in the waste of many animals, and are very resistant to heat and germ-killing cleaners. People who get tetanus suffer from stiffness and spasm of the muscles.