The Insane Tick Bite That Causes Red Meat Allergy

Based on The Journal of Allergy and Clinical Immunology: In Practice, 2025; 13, 3422-3424.
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These cases are patients who I, or my colleagues have seen. They are de-identified and many instances have been presented in more depth in an academic setting. These videos are not individual medical advice and are for general educational purposes only. I do not give medical advice over the internet.

References

An association between tick bite reactions and red meat allergy in humans. Med J Aust 2009; 190 (9): 510-511.

The relevance of tick bites to the production of IgE antibodies to the mammalian oligosaccharide galactose-α-1,3-galactose. J Allergy Clin Immunol. 2011 Mar 31;127(5):1286–1293.e6.

Geographic Distribution of Suspected Alpha-gal Syndrome Cases — United States, January 2017–December 2022. Weekly July 28, 2023 72(30);815–820.

Meet the Doc Who Discovered the Infamous Red Meat Allergy Spread by Ticks. UVA Today. Feb 8 2019. Retrieved October 5 2026.

The alpha-gal story: Lessons learned from connecting the dots. Journal of Allergy and Clinical Immunology, 135, 589-596.

CCR 20th Anniversary Commentary: A Chimeric Antibody, C225, Inhibits EGFR Activation and Tumor Growth. Clin Cancer Res (2015) 21 (2): 227–229.

Functionally important glycosyltransferase gain and loss during catarrhine primate emergence. https://pmc.ncbi.nlm.nih.gov/articles/PMC1766424 (this is the Proc Natl Acad Sci USA. 2006 Dec 28;104(2):559–564. citation in the quiz and in the long write up. i dont know why when you search it, it gives you something about bugs and or wings so heres the direct link)

The Specificity of Serological Reactions. Karl Landsteiner 1936.

Serological Studies on the Blood of the Primates. Landsteiner K, Miller C. 1925.