A practitioner took a scab from someone with a mild case, made an incision in the skin of a healthy person, and infected that person with the scab. Sheep-scab is a loathsome skin disease due to an acarian parasite.
I did find this link, but I don't think it will help out much, because there is nothing on the internet about it, other than this. http://en.allexperts.com/q/Wild-Animals-705/frozen-crab-life-thawed.htm. Or you can go to this link. Its about frozen lobsters coming back to life after thawed.
The ability to absorb previously unavailable nutrition will allow humans to age similar to the lobster. Lobsters do not die of the debility of old age. They are killed, and they die of infection just as humans do. Lobsters continue to absorb nutrition throughout life, while humans gradually lose the ability to absorb specific nutrition.