B.1 If there is 40 feet or more of suitable soil between the disposal area and the waterbody/course, DHS may approve the variance without requiring additional engineering. B.2 If there is 20 feet to 40 feet of suitable soil between the disposal area and the waterbody/course, DHE may approve the variance if: B.2.a The system handles gray water only and utilizes a holding tank or an alternative toilet for black waste.
Vaccination. One of the best ways to prevent smallpox is through vaccination. Vaccine given to individuals before exposure to smallpox can completely protect them. Vaccination within 3 days after exposure prevents or greatly lessens the severity of smallpox in most people.
Smallpox is an extremely contagious and deadly virus for which there is no known cure. The last known case occurred in the U.S. in 1949 and due to worldwide vaccination programs, this disease has been completely eradicated.Smallpox is also known as âvariola.â. Since the time of ancient Egypt, smallpox has proven to be one of the most devastating diseases to humankind.s a result of worldwide, repeated vaccination programs, the variola virus (smallpox) has been completely eradicated. The only people considered to be at risk for smallpox are researchers who work with it in a laboratory setting.