About the Author

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Wesley L. Shoop is former professor of parasitology at Murray State University; director of parasitology at Merck & Co., Inc.; and vice president and global head of animal health at DuPont. He has published over a hundred scientific articles and discovered such antiparasitic drugs as eprinomectin in Eprinex and afoxalaner in NexGard. Shoop has also identified and photographed over a thousand species of flora and fauna in Mississippi.