For the Herd’s Sake, Vaccinate
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West Hartford, Conn.
I HAVE chronic lymphocytic leukemia. Three months ago, I underwent an allogeneic stem-cell transplant, in which my wise, 52-year-old white blood cells were replaced by bewildered, low-functioning cells from an anonymous European donor. For the next seven months or so, until those cells mature, I have a newborn’simmunity; I am prey to illnesses like chickenpox, the measles and the flu.
These diseases are rarely fatal, unless you’re a newborn or someone with a suppressed