Cookies on this website

We use cookies to ensure that we give you the best experience on our website. If you click 'Accept all cookies' we'll assume that you are happy to receive all cookies and you won't see this message again. If you click 'Reject all non-essential cookies' only necessary cookies providing core functionality such as security, network management, and accessibility will be enabled. Click 'Find out more' for information on how to change your cookie settings.

At a travel clinic in Kathmandu we reviewed the vaccination records from March 1997 to March 1998 for all travelers to developing countries like Nepal, for two important vaccines, namely, typhoid and hepatitis A. These travelers visited the clinic for various medical problems. One of the reasons for doing this study was that in previous years we saw a disproportionate number of Japanese travelers with hepatitis A, who had not taken the hepatitis A vaccine or immune gamma globulin for prevention of this illness. We hypothesized, therefore, that one of the reasons that Japanese patients visiting our clinic had higher rates of hepatitis A was because they were not vaccinated against this disease. There were 765 tourists for that time period out of which about 10% were Japanese. The rest were Americans, British, Israelis, Canadians, Australians, Danish and a small miscellaneous group from other countries.

Original publication




Journal article


J Travel Med

Publication Date





Health Promotion, Hepatitis A, Hepatitis A Vaccines, Humans, Japan, Medical Records, Nepal, Retrospective Studies, Travel, Typhoid Fever, Typhoid-Paratyphoid Vaccines, Viral Hepatitis Vaccines