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.
Variola major is the severe and most common form of smallpox, characterized by a more extensive rash and higher fever. There are 4 types of variola major smallpox: 1  Ordinary (the most frequent type, accounting for 90 percent or more of cases). 2  Modified (mild and occurring in previously vaccinated persons).