Fellow parasitologists, friends, and distinguished guests, Dr. Nappi's introduction reminded me of a gentleman who was driving through the countryside in New England, when he was forced to stop his car for a flock of sheep that was crossing the road. After a long wait, he made a proposition to the sheep herder. “Sir, if I am able to tell you the number of sheep in your flock could I have one?” After a bit of contemplation, the herder agreed, and the traveler told him he had 400 sheep. Amazed, the sheep herder told him to make his choice. Upon carrying his selected animal to his car, the herder made his own proposition. “Sir, if I am able to guess your occupation, can I have my animal back?” Of course this seemed only fair, so the driver agreed. Immediately, the sheep herder said “You, sir,...

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