In 1959, German scientist Wolfhard Weidel wrote a book called (get ready for an ingenious title) Virus, in which he avowed that a virus is, “midway between brute matter and living organism.”  The book’s cover proclaims, “Nothing brings us so close to the riddle of life—and to its solution—as viruses.”  Scientifically speaking that may be true, but I prefer to think of life not as a riddle to be solved, but as a mystery to be lived.  On a less philosophical note, each of us has had to endure more than one up-close and personal confrontation with a virus.

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