 At which two ages does the Bureau of Vital Statistics scan a person’s brain?
New York lay quietly below him. Buildings were taller, men were healthier, most of the problems of humanity seemed licked, or nearly so. A month later the meat animals, the birds and the household pets began dropping as rapidly as the flies which had dropped earlier. Congress was called into special session, as were all of the national governments around the world. The panic which had begun with the death of the animals was quieted somewhat by the fact that humans seemed immune to the pandemic. Within six months, half of the world's population was gone. Less than a month ago no more than a few thousand people remained in New York. Before the plague the Bureau of Vital Statistics had been one of man's crowning achievements.
 The first month of life and again at age 10
 The first month of life and again at age 10  At age 10 and again at age 20  At age 10 and again before death  The first month of life and again before death