Rabies Antibody Titer Test Guide | Costs, Steps & the 180-Day Rule Explained [2026 Update]
This article explains the costs, procedures, and the 180-day rule for the rabies antibody titer test (FAVN test). We’ve summarized the differences in requirements for travel to Hawaii, New Zealand, Australia, and the UK, as well as for returning to Japan, based on primary sources as of July 2026.