Kinoshita Y, Yamanaka T, Kodaira K, Niwa H, Uchida-Fujii E, Ueno T. Assessment of tetanus revaccination regimens in horses not vaccinated in the previous year.
J Vet Med Sci 2023:23-0158. [PMID:
37258221 PMCID:
PMC10372253 DOI:
10.1292/jvms.23-0158]
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Abstract
A two-dose revaccination against tetanus is recommended for horses over 2 years old in Japan with no history of vaccination in the previous year. Here, the need for two-dose revaccination was evaluated in terms of antibody titers for each vaccine type, namely monovalent or multivalent. There was no difference in antibody titers between one- and two-dose regimens for up to 1 year, except at 8 weeks with the multivalent vaccine, and all horses had sufficient antibody titers for 1 year of tetanus prophylaxis. These results suggest that one-dose revaccination, regardless of the vaccine type, is as effective as two-dose in preventing tetanus for at least 1 year in horses not vaccinated in the previous year.
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