Dr. Li Jen-chih, chief of internal medicine at the Tz'u-Chi Buddhist General Hospital in Hualien, says there is a theory that considerable quantities of the bacillus have been introduced by the large influx of immigrants from Latin America, Asia and Eastern Europe.
花蓮佛教慈濟醫院內科主治醫師李仁智表示，由中南美、亞洲、東歐移民大量湧入美國，因而帶入相當數量的結核病源的說法的確存在。