CARC – Scientist Profile – Alphina Ho Watson

Alphina Ho Watson

Alphina Ho Watson, DVM
Research Veterinarian


D.V.M., Kansas State University College of Veterinary Medicine (Manhattan, KS)
B.S., Animal Science, Cornell University (Ithaca, NY)

Key Interests

Small ruminant and livestock medicine, limited-resource animal agriculture, foodborne disease/food safety, public health & zoonotic disease

Contact Information

Office: International Goat Research Center, PO Box 519; MS 2008
Phone: (936) 261-5088

Recent Publications

Ho A, Pennell-Huth P, Newman A, Zansky S, Wiedmann M.  Foodborne Illness Outbreak Investigation Training Needs: A Survey Among State Public Health Staff in the Northeast and Mid-Atlantic United States. J Public Health Manag Pract. 2017 Mar 1. doi: 10.1097/PHH.0000000000000539. [Epub ahead of print]

Ho A.  Shining light on foreign animal diseases: The story of Plum Island.  Veterinary Heritage. 2008 May;31(1):10-13.

Kongo JM, Ho AJ, Malcata FX, Wiedmann M.  Characterization of dominant lactic acid bacteria isolated from São Jorge cheese, using biochemical and ribotyping methods. J Appl Microbiol. 2007 Nov;103(5):1838-44.

Ho AJ, Ivanek R, Gröhn YT, Nightingale KK, Wiedmann M.  Listeria monocytogenes fecal shedding in dairy cattle shows high levels of day-to-day variation and includes outbreaks and sporadic cases of shedding of specific L. monocytogenes subtypes. Prev Vet Med. 2007 Aug 16;80(4):287-305. Epub 2007 May 3.

Ho AJ, Lappi VR, Wiedmann M.  Longitudinal monitoring of Listeria monocytogenes contamination patterns in a farmstead dairy processing facility. J Dairy Sci. 2007 May;90(5):2517-24.

Nightingale KK, Fortes ED, Ho AJ, Schukken YH, Grohn YT, Wiedmann M.  Evaluation of farm management practices as risk factors for clinical listeriosis and fecal shedding of Listeria monocytogenes in ruminants. J Am Vet Med Assoc. 2005 Dec 1;227(11):1808-14.

Hu Y, Gall K, Ho A, Ivanek R, Gröhn YT, Wiedmann M.  Daily variability of Listeria contamination patterns in a cold-smoked salmon processing operation. J Food Prot. 2006 Sep;69(9):2123-33.

Nightingale KK, Schukken YH, Nightingale CR, Fortes ED, Ho AJ, Her Z, Grohn YT, McDonough PL, Wiedmann M.  Ecology and transmission of Listeria monocytogenes infecting ruminants and in the farm environment.  Appl Environ Microbiol. 2004 Aug;70(8):4458-67.

Lappi VR, Ho A, Gall K, Wiedmann M.  Prevalence and growth of Listeria on naturally contaminated smoked salmon over 28 days of storage at 4 degrees C. J Food Prot. 2004 May;67(5):1022-6.