| [immunity against diphtheria in taiwan]. | the vaccination of combined diphtheria, pertussis, and tetanus (dpt) vaccine provides good immunity against childhood diphtheria in taiwan. however, a waning protective antibody level has been observed with an increase in age. therefore, we assessed diphtheria immunoglobulin (dig) level in taipei city as representatives of urban dwellers and in king-shan county as representatives of rural dwellers to evaluate the status of immunity against diphtheria in the population of taiwan. in total, 1239 s ... | 1999 | 10637720 |