Depending on when and where you were born, you might have a particular scar on your arm that everyone else around you also has. This, as many of you probably already know, is the smallpox vaccine.

PENGUIN PRESS, MARCH 2011 O ur skins record the histories of life’s close scrapes. One of the most common marks that humans carry is, we hope, bound for extinction: the nickel-sized cicatrix left by a ...

(You can see tell-tale signs that some older adults had a smallpox vaccine, because they have characteristic scars on their arms.) While the eradication of smallpox through vaccination has saved ...

Small-pox does not tend to spread extensively in a ... the resumption is that re-vaccination was useful. " A large scar is no evidence of genuine vaccination, nor is a irgc and painful sore.