In a post of at least 500 words, address the following questions and provide evi

In a post of at least 500 words, address the following questions and provide evidence from the readings to support your claims.
(1) Successful eradication of smallpox is a singular triumph for disease prevention. Describe at least 3 characteristics of the smallpox virus that made eradication possible.
(2) The new vaccination technique developed by D A Henderson, the director of the smallpox eradication program, transformed vaccination methods. Describe the usual vaccination technique and the new smallpox ring vaccination technique that allowed virus eradication to occur.
Book: The burdens of disease on vitalsource