Dear Editor, Rabies is an important tropical infection. Getting bit by a rabid animal is the main cause of rabies. Exposure to a rabid animal is the indication for rabies vaccination. 1 Of interest, many foreigners are exposed to rabid animals or require rabies vaccinations in other countries. In Thailand, a tropical country in Indochina, rabies is common, and the rabies vaccination is an important post-exposure treatment. Each year, thousands of rabies vaccines are used for the post-exposure vaccination of local Thai people. There are also many post– exposure vaccinations given to foreigners...