About the Author

Dr. Nelson is the hospital director of the VCA Animal Medical Center of NE Alabama in Anniston, Alabama, and has been in private practice for 45 years. He was first elected to the board of the American Heartworm Society in 2001 and has served as the society’s president (2004-2007) and symposium cochair (2010-2013). Dr. Nelson is currently chair of the AHS research committee. Along with being involved in heartworm research, he is the lead author of the AHS’s canine and feline guidelines. In addition, he has authored or coauthored over 30 papers and contributed 4 chapters to textbooks about heartworm disease.

Updated April 2025

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